![Information Retrieval Matthias Hagen](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-1.png)
![Contents I. Introduction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-2.png)
![Objectives](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-3.png)
![Related Fields 1. Statistics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-4.png)
![Literature Information Retrieval:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-5.png)
![Literature Information Retrieval:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-6.png)
![Literature “Core” information retrieval conferences:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-7.png)
![Software Industry (Open Source):](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-8.png)
![Software Research:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-9.png)
![Software Research:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-organization/unit-en-ir-organization-10.png)
![Chapter IR:I I. Introduction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-1.png)
![Information Retrieval in a Nutshell ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-2.png)
![Information Retrieval in a Nutshell ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-3.png)
![Chapter IR:I I. Introduction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-4.png)
![Examples of Information Retrieval Problems Learn everything there is to learn about information retrieval.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-5.png)
![Examples of Information Retrieval Problems Learn everything there is to learn about information retrieval.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-6.png)
![Examples of Information Retrieval Problems Learn everything there is to learn about information retrieval.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-7.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-8.png)
![Examples of Information Retrieval Problems Plan a trip from San Francisco to Paris, France.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-9.png)
![Examples of Information Retrieval Problems Plan a trip from San Francisco to Paris, France.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-10.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-11.png)
![Examples of Information Retrieval Problems What were the news today?](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-12.png)
![Examples of Information Retrieval Problems What were the news today?](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-13.png)
![Examples of Information Retrieval Problems What were the news today?](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-14.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-15.png)
![Examples of Information Retrieval Problems Answer “Can Kangaroos jump higher than the Empire State Building?”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-16.png)
![Examples of Information Retrieval Problems Answer “Can Kangaroos jump higher than the Empire State Building?”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-17.png)
![Examples of Information Retrieval Problems Answer “Can Kangaroos jump higher than the Empire State Building?”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-18.png)
![Examples of Information Retrieval Problems Answer “Can Kangaroos jump higher than the Empire State Building?”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-19.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-20.png)
![Examples of Information Retrieval Problems Build a fence.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-21.png)
![Examples of Information Retrieval Problems Build a fence.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-22.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-23.png)
![Examples of Information Retrieval Problems Write an essay about video surveillance.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-24.png)
![Examples of Information Retrieval Problems Write an essay about video surveillance.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-25.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-26.png)
![Examples of Information Retrieval Problems Given an example image, find more like it.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-27.png)
![Examples of Information Retrieval Problems Given an example image, find more like it.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-28.png)
![Examples of Information Retrieval Problems Given an example text, find more like it.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-29.png)
![Examples of Information Retrieval Problems Given an example text, find more like it.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-30.png)
![Examples of Information Retrieval Problems Given an example text, find more like it.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-31.png)
![Examples of Information Retrieval Problems Given an example text, find more like it.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-32.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-33.png)
![Examples of Information Retrieval Problems Find out what people commonly write in the phrase how to ? this.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-34.png)
![Examples of Information Retrieval Problems Find out what people commonly write in the phrase how to ? this.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-35.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-36.png)
![Chapter IR:I I. Introduction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-37.png)
![Terminology Information science distinguishes the concepts data, information, and knowledge.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-38.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-39.png)
![Remarks: (continued) ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-40.png)
![Terminology Definition 4 (Information System)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-41.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-42.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-43.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-44.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-45.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-46.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-47.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-48.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-49.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-50.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-51.png)
![Terminology](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-52.png)
![Terminology Definition 7 (Information Retrieval, IR)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-53.png)
![Terminology Definition 7 (Information Retrieval, IR)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-54.png)
![Terminology Definition 7 (Information Retrieval, IR)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-55.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-56.png)
![Chapter IR:I I. Introduction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-57.png)
![Delineation Databases, Data Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-58.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-59.png)
![Delineation Semiotics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-60.png)
![Delineation Semiotics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-61.png)
![Delineation Semiotics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-62.png)
![Delineation Semiotics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-63.png)
![Delineation Semiotics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-64.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-65.png)
![Delineation Machine Learning, Data Mining](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-66.png)
![Delineation Machine Learning, Data Mining](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-67.png)
![Delineation Machine Learning, Data Mining](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-68.png)
![Delineation Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-69.png)
![Chapter IR:I I. Introduction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-70.png)
![Historical Background Manual Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-71.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-72.png)
![Historical Background Manual Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-73.png)
![Historical Background Manual Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-74.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-75.png)
![Historical Background Mechanical Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-76.png)
![Historical Background Mechanical Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-77.png)
![Historical Background Computerized Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-78.png)
![Historical Background Computerized Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-79.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-80.png)
![Historical Background Information Retrieval (1950s)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-81.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-82.png)
![Historical Background Information Retrieval (1960s)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-83.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-84.png)
![Historical Background Information Retrieval (1970s)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-85.png)
![Historical Background Information Retrieval (1980s – mid-1990s)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-86.png)
![Historical Background Information Retrieval (mid-1990s – 2000s)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-87.png)
![Historical Background Information Retrieval (today)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-88.png)
![Historical Background Information Retrieval (today)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-89.png)
![Historical Background Information Retrieval (today)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-90.png)
![Historical Background Information Retrieval (today)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-introduction/unit-en-ir-introduction-91.png)
![Chapter IR:II II. Architecture of a Search Engine](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-1.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-2.png)
![IR:II-3](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-3.png)
![?](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-4.png)
![Indexing Process](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-5.png)
![Acquisition conversion to](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-6.png)
![Acquisition In the acquisition step, documents are collected, prepared, and stored.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-7.png)
![Acquisition Crawler](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-8.png)
![Acquisition Crawler](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-9.png)
![Acquisition Converter](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-10.png)
![Acquisition Document Store](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-11.png)
![Acquisition Document Store](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-12.png)
![Acquisition conversion to](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-13.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-14.png)
![Text Analysis The text analysis extracts from a document the “keys” by which it can be looked up](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-15.png)
![Text Analysis The text analysis extracts from a document the “keys” by which it can be looked up](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-16.png)
![Text Analysis Segmenter](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-17.png)
![Text Analysis Segmenter](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-18.png)
![Text Analysis Stopping](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-19.png)
![Text Analysis Stemming \u002f Lemmatization](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-20.png)
![Text Analysis Stemming \u002f Lemmatization](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-21.png)
![Text Analysis Link Extraction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-22.png)
![Text Analysis Information Extraction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-23.png)
![Text Analysis Classification](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-24.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-25.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-26.png)
![Indexing The indexing step creates the index data structures required for fast retrieval from](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-27.png)
![Indexing Term Weighting](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-28.png)
![Indexing Index Construction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-29.png)
![Indexing Distribution](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-30.png)
![Indexing Distribution](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-31.png)
![Indexing Document Statistics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-32.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-33.png)
![Chapter IR:II II. Architecture of a Search Engine](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-34.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-35.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-36.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-37.png)
![User Interface The user interface of a search engine allows the user to interact with the system.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-38.png)
![User Interface Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-39.png)
![User Interface Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-40.png)
![User Interface Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-41.png)
![User Interface Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-42.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-43.png)
![User Interface Query Language](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-44.png)
![User Interface Query Language](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-45.png)
![User Interface Result Presentation](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-46.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-47.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-48.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-49.png)
![User Interface Query analysis (query understanding) maps the keywords of a query to the index](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-50.png)
![Query Analysis and Synthesis Text Analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-51.png)
![Query Analysis and Synthesis Logging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-52.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-53.png)
![Query Analysis and Synthesis Query Rewriting](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-54.png)
![Query Analysis and Synthesis Query Rewriting](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-55.png)
![Query Analysis and Synthesis Query Expansion](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-56.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-57.png)
![Query Analysis and Synthesis Query Expansion: Relevance Feedback](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-58.png)
![Query Analysis and Synthesis Query Expansion: Relevance Feedback](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-59.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-60.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-61.png)
![Retrieval Given a query representation, the ranking step scores and orders the documents](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-62.png)
![Retrieval Document Scoring](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-63.png)
![Retrieval Document Scoring](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-64.png)
![Retrieval Document Scoring](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-65.png)
![Retrieval Document Scoring](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-66.png)
![Retrieval Distribution](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-67.png)
![Chapter IR:II II. Architecture of a Search Engine](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-68.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-69.png)
![Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-70.png)
![Evaluation Overview](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-71.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-72.png)
![Architecture of a Search Engine Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture/unit-en-ir-architecture-73.png)
![Architecture of a Search Engine (Karaoke Version)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-1.png)
![Architecture of a Search Engine (Karaoke Version)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-2.png)
![Architecture of a Search Engine (Karaoke Version)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-3.png)
![Architecture of a Search Engine (Karaoke Version) Acquisition](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-4.png)
![Architecture of a Search Engine (Karaoke Version) Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-5.png)
![Architecture of a Search Engine (Karaoke Version) Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-6.png)
![Architecture of a Search Engine (Karaoke Version) Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-7.png)
![Architecture of a Search Engine (Karaoke Version) Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-8.png)
![Architecture of a Search Engine (Karaoke Version) Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-9.png)
![Architecture of a Search Engine (Karaoke Version) Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-10.png)
![Architecture of a Search Engine (Karaoke Version) Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-11.png)
![Architecture of a Search Engine (Karaoke Version) Text analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-architecture-karaoke/unit-en-ir-architecture-karaoke-12.png)
![Chapter IR:II II. Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-1.png)
![Indexing Basics Definition 1 (Index [ANSI/NISO 1997])](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-2.png)
![Indexing Basics Definition 1 (Index [ANSI/NISO 1997])](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-3.png)
![Indexing Basics Definition 1 (Index [ANSI/NISO 1997])](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-4.png)
![Indexing Basics Requirements [ANSI/NISO 1997]](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-5.png)
![Indexing Basics Requirements [ANSI/NISO 1997]](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-6.png)
![Indexing Basics Requirements [ANSI/NISO 1997]](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-7.png)
![Indexing Basics Requirements [ANSI/NISO 1997]](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-8.png)
![Indexing Basics Requirements](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-9.png)
![Indexing Basics Requirements](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-10.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-11.png)
![Indexing Basics Definition 2 (Document, Documentary Unit [ANSI/NISO 1997] (Indexing Unit, Unit of Retrieval))](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-12.png)
![Indexing Basics Definition 2 (Document, Documentary Unit [ANSI/NISO 1997] (Indexing Unit, Unit of Retrieval))](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-13.png)
![Indexing Basics Definition 2 (Document, Documentary Unit [ANSI/NISO 1997] (Indexing Unit, Unit of Retrieval))](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-14.png)
![Indexing Basics Definition 3 (Vocabulary, Terminology, Index Term [ANSI/NISO 1997])](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-15.png)
![Indexing Basics Definition 3 (Vocabulary, Terminology, Index Term [ANSI/NISO 1997])](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-16.png)
![Indexing Basics Definition 3 (Vocabulary, Terminology, Index Term [ANSI/NISO 1997])](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-17.png)
![Indexing Basics Definition 3 (Vocabulary, Terminology, Index Term [ANSI/NISO 1997])](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-18.png)
![Indexing Basics Definition 3 (Vocabulary, Terminology, Index Term [ANSI/NISO 1997])](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-19.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-20.png)
![Indexing Basics Querying an Index](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-indexing-basics/unit-en-indexing-basics-21.png)
![Chapter IR:II II. Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-1.png)
![Inverted Index Term–Document Matrix](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-2.png)
![Inverted Index Term–Document Matrix](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-3.png)
![Inverted Index Term–Document Matrix](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-4.png)
![Inverted Index Term–Document Matrix](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-5.png)
![Inverted Index Term–Document Matrix](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-6.png)
![Inverted Index Term–Document Matrix](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-7.png)
![Inverted Index Term–Document Matrix](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-8.png)
![Inverted Index Term–Document Matrix](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-9.png)
![Inverted Index Term–Document Matrix](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-10.png)
![Inverted Index Data Structure](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-11.png)
![Inverted Index Data Structure](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-12.png)
![Inverted Index Posting](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-13.png)
![Inverted Index Posting](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-14.png)
![Inverted Index Posting](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-15.png)
![Inverted Index Posting List, Postlist](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-16.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-17.png)
![Chapter IR:II II. Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-18.png)
![Query Processing I Retrieval Types](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-19.png)
![Query Processing I Query Semantics for Set Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-20.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-21.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-22.png)
![Query Processing I Conjunctive Multi-Term Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-23.png)
![Query Processing I Conjunctive Multi-Term Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-24.png)
![Query Processing I List Intersection](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-25.png)
![Query Processing I List Intersection](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-26.png)
![Query Processing I List Intersection](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-27.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-28.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-29.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-30.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-31.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-32.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-33.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-34.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-35.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-36.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-37.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-38.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-39.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-40.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-41.png)
![Query Processing I List Intersection: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-42.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-43.png)
![Query Processing I List Intersection](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-44.png)
![Query Processing I List Intersection](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-45.png)
![Query Processing I Proximity Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-46.png)
![Query Processing I Proximity Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-47.png)
![Query Processing I Proximity Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-48.png)
![Query Processing I Proximity Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-49.png)
![Query Processing I Phrase Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-50.png)
![Query Processing I Phrase Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-51.png)
![Query Processing I Phrase Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-52.png)
![Query Processing I Phrase Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-53.png)
![Query Processing I Phrase Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-54.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-55.png)
![Chapter IR:II II. Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-56.png)
![Query Processing II Retrieval Types](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-57.png)
![Query Processing II Relevance Scoring (Recap)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-58.png)
![Query Processing II Relevance Scoring (Recap)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-59.png)
![Query Processing II Relevance Scoring (Recap)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-60.png)
![Query Processing II Query Semantics for Ranked Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-61.png)
![Query Processing II Single-Term Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-62.png)
![Query Processing II Single-Term Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-63.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-64.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-65.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-66.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-67.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-68.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-69.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-70.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-71.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-72.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-73.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-74.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-75.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-76.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-77.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-78.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-79.png)
![Query Processing II Disjunctive Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-80.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-81.png)
![Query Processing II Top-k Retrieval](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-82.png)
![Query Processing II Index Distribution](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-83.png)
![Query Processing II Caching](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-84.png)
![Chapter IR:II II. Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-85.png)
![Index Construction In-Memory Index Construction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-86.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-87.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-88.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-89.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-90.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-91.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-92.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-93.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-94.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-95.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-96.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-97.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-98.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-99.png)
![Index Construction Index Merging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-100.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-101.png)
![Index Construction Distributed Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-102.png)
![Index Construction Distributed Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-103.png)
![Index Construction Distributed Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-104.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-105.png)
![Index Construction Distributed Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-106.png)
![Index Construction Distributed Indexing: Example Netspeak [www.netspeak.org]](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-107.png)
![Index Construction Index Updates](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-108.png)
![Chapter IR:II II. Indexing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-109.png)
![Size Estimation Query Result Set Size](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-110.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-111.png)
![Size Estimation Query Result Set Size: Joint Probability](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-112.png)
![Size Estimation Query Result Set Size: Joint Probability](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-113.png)
![Size Estimation Query Result Set Size: Joint Probability](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-114.png)
![Size Estimation Query Result Set Size: Conditional Probability](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-115.png)
![Size Estimation Query Result Set Size: Conditional Probability](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-116.png)
![Size Estimation Query Result Set Size: Initial Result Set-based Estimation](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-117.png)
![Size Estimation Query Result Set Size: Initial Result Set-based Estimation](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-118.png)
![Size Estimation Query Result Set Size: Initial Result Set-based Estimation](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-119.png)
![Size Estimation Indexed Collection Size: Joint Probability-based](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-120.png)
![Size Estimation Indexed Collection Size: Joint Probability-based](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-121.png)
![Size Estimation Indexed Collection Size: Proportionality [van den Bosch 2016] [worldwidewebsize.com]](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-122.png)
![Size Estimation Indexed Collection Size: Proportionality [van den Bosch 2016] [worldwidewebsize.com]](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-123.png)
![Remarks: 1.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-124.png)
![Remarks: (continued) 21.](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-inverted-index/unit-en-inverted-index-125.png)
![Chapter IR:IV IV. Retrieval Models](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-1.png)
![Overview of Retrieval Models Document Views](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-2.png)
![Overview of Retrieval Models Retrieval Models](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-3.png)
![Overview of Retrieval Models Retrieval Models](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-4.png)
![Overview of Retrieval Models Retrieval Models](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-5.png)
![Overview of Retrieval Models Retrieval Models](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-6.png)
![Overview of Retrieval Models Definition 1 (Retrieval Model, Relevance Function)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-7.png)
![Overview of Retrieval Models Definition 1 (Retrieval Model, Relevance Function)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-8.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-9.png)
![Overview of Retrieval Models Ranking Principles in IR](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-10.png)
![Overview of Retrieval Models Types of Retrieval Models](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-11.png)
![Overview of Retrieval Models Probability Ranking Principle (PRP)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-12.png)
![Overview of Retrieval Models Probability Ranking Principle (PRP)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-13.png)
![Remarks: ❑](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-14.png)
![Overview of Retrieval Models History of Retrieval Models](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-15.png)
![Overview of Retrieval Models Document Modeling](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-retrieval-models/unit-en-retrieval-models-16.png)
![Chapter IR:V V. Retrieval Models](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-rm-learning-to-rank/unit-en-rm-learning-to-rank-1.png)
![Learning to Rank Machine Learning and IR](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-rm-learning-to-rank/unit-en-rm-learning-to-rank-2.png)
![Learning to Rank Generative vs. Discriminative](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-rm-learning-to-rank/unit-en-rm-learning-to-rank-3.png)
![Learning to Rank Discriminative Models for IR](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-rm-learning-to-rank/unit-en-rm-learning-to-rank-4.png)
![Chapter IR:V V. Users and Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-information-needs/unit-en-information-needs-1.png)
![Information Needs and Queries Information Needs](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-information-needs/unit-en-information-needs-2.png)
![Information Needs and Queries Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-information-needs/unit-en-information-needs-3.png)
![Information Needs and Queries Interaction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-information-needs/unit-en-information-needs-4.png)
![Information Needs and Queries ASK Hypothesis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-information-needs/unit-en-information-needs-5.png)
![Information Needs and Queries Keyword Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-information-needs/unit-en-information-needs-6.png)
![Information Needs and Queries Keyword Queries](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-information-needs/unit-en-information-needs-7.png)
![Chapter IR:V V. Evaluation](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-1.png)
![Laboratory Experiments Experiment Scope](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-2.png)
![Laboratory Experiments Experiment Scope](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-3.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-4.png)
![Laboratory Experiments Experimental Setup](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-5.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-6.png)
![Laboratory Experiments Experimental Setup: Document Collections / Corpora](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-7.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-8.png)
![Laboratory Experiments Experimental Setup: Topics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-9.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-10.png)
![Laboratory Experiments Experimental Setup: Relevance Judgments](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-11.png)
![Laboratory Experiments Experimental Setup: Relevance Judgments](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-12.png)
![Laboratory Experiments Experimental Setup: Relevance Judgments](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-13.png)
![Laboratory Experiments Experimental Setup: Relevance Judgments](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-14.png)
![Laboratory Experiments Experimental Setup: Relevance Judgments](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-15.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-16.png)
![Laboratory Experiments Experimental Setup: Pooling](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-17.png)
![Laboratory Experiments Assessor Reliability](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-18.png)
![Laboratory Experiments Assessor Reliability: Kappa Statistics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-19.png)
![Laboratory Experiments Assessor Reliability: Kappa Statistics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-20.png)
![Laboratory Experiments Assessor Reliability: Kappa Statistics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-21.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-laboratory-experiments/unit-en-laboratory-experiments-22.png)
![Chapter IR:V V. Evaluation](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-1.png)
![Measuring Performance Effectiveness and Efficiency](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-2.png)
![Measuring Performance Effectiveness Measures](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-3.png)
![Measuring Performance Effectiveness Measures](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-4.png)
![Measuring Performance Effectiveness Measures](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-5.png)
![Measuring Performance Effectiveness Measures](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-6.png)
![Measuring Performance Effectiveness Measures](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-7.png)
![Set Retrieval Effectiveness Precision and Recall](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-8.png)
![Set Retrieval Effectiveness Precision and Recall](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-9.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-10.png)
![Set Retrieval Effectiveness F -Measure](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-11.png)
![Set Retrieval Effectiveness F -Measure](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-12.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-13.png)
![Remarks (ctd.):](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-14.png)
![Set Retrieval Effectiveness Illustration](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-15.png)
![Set Retrieval Effectiveness Illustration](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-16.png)
![Set Retrieval Effectiveness Illustration](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-17.png)
![Set Retrieval Effectiveness Precision and Recall Averaging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-18.png)
![Set Retrieval Effectiveness Precision and Recall Averaging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-19.png)
![Set Retrieval Effectiveness Precision and Recall Averaging](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-20.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-21.png)
![Set Retrieval Effectiveness Recall Estimation](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-22.png)
![Ranked Retrieval Effectiveness Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-23.png)
![Ranked Retrieval Effectiveness Precision@k and Recall@k](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-24.png)
![Ranked Retrieval Effectiveness Precision@k and Recall@k](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-25.png)
![Ranked Retrieval Effectiveness Precision–Recall Curves](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-26.png)
![Ranked Retrieval Effectiveness Precision–Recall Curves](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-27.png)
![Ranked Retrieval Effectiveness Precision–Recall Curves](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-28.png)
![Ranked Retrieval Effectiveness Average Precision](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-29.png)
![Ranked Retrieval Effectiveness Average Precision](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-30.png)
![Ranked Retrieval Effectiveness Average Precision](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-31.png)
![Ranked Retrieval Effectiveness Average Precision](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-32.png)
![Ranked Retrieval Effectiveness Average Precision (Alternative 1)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-33.png)
![Ranked Retrieval Effectiveness Average Precision (Alternative 2)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-34.png)
![Ranked Retrieval Effectiveness Average Precision](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-35.png)
![Ranked Retrieval Effectiveness Averaging Precision–Recall Curves](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-36.png)
![Ranked Retrieval Effectiveness Averaging Precision–Recall Curves](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-37.png)
![Ranked Retrieval Effectiveness Averaging Precision–Recall Curves](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-38.png)
![Ranked Retrieval Effectiveness Averaging Precision–Recall Curves](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-39.png)
![Ranked Retrieval Effectiveness Averaging Precision–Recall Curves](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-40.png)
![Ranked Retrieval Effectiveness Averaging Precision–Recall Curves](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-41.png)
![Ranked Retrieval Effectiveness Mean Average Precision (MAP)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-42.png)
![Ranked Retrieval Effectiveness Mean Average Precision (MAP)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-43.png)
![Ranked Retrieval Effectiveness Mean Average Precision (MAP)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-44.png)
![Ranked Retrieval Effectiveness Mean Average Precision (MAP)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-45.png)
![Ranked Retrieval Effectiveness Mean Reciprocal Rank (MRR)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-46.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-47.png)
![Ranked Retrieval Effectiveness Discounted Cumulative Gain (DCG)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-48.png)
![Ranked Retrieval Effectiveness Normalized Discounted Cumulative Gain (nDCG)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-49.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-ir-effectiveness-measures/unit-en-ir-effectiveness-measures-50.png)
![Chapter IR:V V. Evaluation](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-1.png)
![Training and Testing Statistical Hypothesis Testing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-2.png)
![Training and Testing Statistical Hypothesis Testing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-3.png)
![Training and Testing Statistical Hypothesis Testing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-4.png)
![Training and Testing Statistical Hypothesis Testing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-5.png)
![Training and Testing Statistical Hypothesis Testing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-6.png)
![Training and Testing Statistical Hypothesis Testing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-7.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-8.png)
![Training and Testing Statistical Hypothesis Testing: Sign Test](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-9.png)
![Training and Testing Statistical Hypothesis Testing: Sign Test](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-10.png)
![Training and Testing Statistical Hypothesis Testing: Sign Test](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-11.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-12.png)
![Training and Testing Statistical Hypothesis Testing: Student’s t-test](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-13.png)
![Training and Testing Statistical Hypothesis Testing: Student’s t-test](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-14.png)
![Training and Testing Statistical Hypothesis Testing: Student’s t-test](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-15.png)
![Training and Testing Statistical Hypothesis Testing: Power Analysis and Effect Size](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-16.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-17.png)
![Training and Testing Hyperparameter Optimization](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-training-and-testing/unit-en-training-and-testing-18.png)
![Chapter IR:XI XI. IR Applications](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-1.png)
![Web Technology Overview](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-2.png)
![Web Technology Internet](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-3.png)
![Web Technology Internet](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-4.png)
![Web Technology Internet](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-5.png)
![Web Technology World Wide Web](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-6.png)
![Web Technology World Wide Web](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-7.png)
![Web Technology World Wide Web](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-8.png)
![Web Technology Addressing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-9.png)
![Web Technology Addressing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-10.png)
![Web Technology Addressing](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-11.png)
![Web Technology Hypertext Transfer Protocol (HTTP)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-12.png)
![Web Technology Hypertext Transfer Protocol (HTTP)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-13.png)
![Web Technology Hypertext Transfer Protocol (HTTP)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-14.png)
![Web Technology Hypertext Markup Language (HTML)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-15.png)
![Web Graph Topology of the Web](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-16.png)
![Web Graph Topology of the Web](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-17.png)
![Web Graph Topology of the Web](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-18.png)
![Web Crawling Crawling Hypertext](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-19.png)
![Web Crawling Requirements](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-20.png)
![Web Crawling Selectivity](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-21.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-22.png)
![Web Crawling Selectivity: Malicious Pages (Black-hat SEO∗, Spam)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-23.png)
![Web Crawling Politeness](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-24.png)
![Web Crawling Politeness: Robots Exclusion Protocol (robots.txt)](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-25.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-26.png)
![Web Crawling Politeness: Crawling Algorithm Revisited](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-27.png)
![Web Crawling Freshness](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-28.png)
![Web Crawling Freshness: Metric](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-29.png)
![Web Crawling Freshness: Metric](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-30.png)
![Web Crawling Freshness: Age Metric](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-31.png)
![Web Crawling Freshness: Age Metric](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-32.png)
![Web Crawling Freshness: Age Metric](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-33.png)
![Web Crawling Freshness: Age Metric](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-34.png)
![Web Crawling Freshness: Age Metric](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-35.png)
![Web Crawling Efficiency and Scalability](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-36.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-37.png)
![Web Crawling Extensibility](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-38.png)
![Link Analysis Hyperlinks](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-39.png)
![Link Analysis Anchor Text](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-40.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-41.png)
![Link Analysis PageRank](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-42.png)
![Link Analysis PageRank: Random Surfer Model](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-43.png)
![Link Analysis PageRank: Definition](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-44.png)
![Link Analysis PageRank: Example](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-45.png)
![Link Analysis Algorithm:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-46.png)
![Link Analysis Algorithm:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-47.png)
![Link Analysis Algorithm:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-48.png)
![Link Analysis PageRank: Convergence](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-49.png)
![Link Analysis PageRank: Variants](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-web-search/unit-en-web-search-50.png)
![Chapter IR:XI XI. IR Applications](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-1.png)
![](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-2.png)
![](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-3.png)
![The Treachery of Answers Retrieving answers as a retrieval paradigm:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-4.png)
![The Treachery of Answers Retrieving answers as a retrieval paradigm:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-5.png)
![The Treachery of Answers Retrieving answers as a retrieval paradigm:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-6.png)
![The Treachery of Answers](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-7.png)
![IR:XI-58](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-8.png)
![Remarks:](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-9.png)
![Argument Retrieval Problems Basic Argument Model](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-10.png)
![Argument Retrieval Problems Basic Argument Model](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-11.png)
![Argument Retrieval Problems Basic Argument Model](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-12.png)
![Argument Retrieval Problems Basic Argument Model](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-13.png)
![Argument Retrieval Problems Basic Argument Model](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-14.png)
![Argument Retrieval Problems Basic Argument Model](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-15.png)
![Argument Retrieval Problems Basic Argument Model](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-16.png)
![Argument Retrieval Problems Basic Argument Model](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-17.png)
![Argument Retrieval Problems (1) Argument Relevance Πrel](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-18.png)
![Argument Retrieval Problems (1) Argument Relevance Πrel](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-19.png)
![Argument Retrieval Problems (1) Argument Relevance Πrel](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-20.png)
![Argument Retrieval Problems (2) Argument Ranking Πrank](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-21.png)
![Argument Retrieval Problems (2) Argument Ranking Πrank](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-22.png)
![Argument Retrieval Problems (3) – (7) Further Problems](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-23.png)
![Argument Retrieval Problems (3) – (7) Further Problems](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-24.png)
![Chapter IR:XI XI. IR Applications](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-25.png)
![Argument Ranking I](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-26.png)
![Argument Ranking I](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-27.png)
![Argument Ranking I Query Reintroduce death penalty?](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-28.png)
![Argument Ranking I Query Reintroduce death penalty?](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-29.png)
![Argument Ranking I Query Reintroduce death penalty?](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-30.png)
![Argument Ranking I Query Reintroduce death penalty?](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-31.png)
![Argument Ranking I Query Reintroduce death penalty?](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-32.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-33.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-34.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-35.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-36.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-37.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-38.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-39.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-40.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-41.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-42.png)
![Argument Ranking I X p(dj )](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-43.png)
![Argument Ranking I From Premise Scores to Argument Ranks](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-44.png)
![Argument Ranking I From Premise Scores to Argument Ranks](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-45.png)
![Argument Ranking I Case Study: Graph Construction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-46.png)
![Argument Ranking I Case Study: Graph Construction](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-47.png)
![Argument Ranking I Case Study: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-48.png)
![Argument Ranking I Case Study: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-49.png)
![Argument Ranking I Case Study: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-50.png)
![Argument Ranking I Case Study: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-51.png)
![Argument Ranking I Case Study: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-52.png)
![Argument Ranking I Case Study: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-53.png)
![Argument Ranking II](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-54.png)
![Argument Ranking II](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-55.png)
![Argument Ranking II ∗](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-56.png)
![Argument Ranking II ∗](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-57.png)
![Argument Ranking II Corpus and Analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-58.png)
![Argument Ranking II Corpus and Analysis](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-59.png)
![Chapter IR:XI XI. IR Applications](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-60.png)
![Argumentation-Related Resources](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-61.png)
![Argumentation-Related Resources ∗](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-62.png)
![Argumentation-Related Resources ∗](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-63.png)
![Argumentation-Related Resources ∗](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-64.png)
![Argumentation-Related Resources ∗](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-65.png)
![Argumentation-Related Resources ∗](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-66.png)
![Argumentation-Related Resources ∗](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-67.png)
![Argumentation-Related Resources The Argument Web](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-68.png)
![Argumentation-Related Resources The Argument Web](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-69.png)
![Argument Search Engines Vision of Argument Search](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-70.png)
![Argument Search Engines* Vision of Argument Search](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-71.png)
![Argument Search Engines Basic Elements and Process](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-72.png)
![Argument Search Engines Basic Elements and Process](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-73.png)
![Argument Search Engines Basic Elements and Process](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-74.png)
![Argument Search Engines Basic Elements and Process](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-75.png)
![Argument Search Engines Acquisition Paradigms: (a) args.me](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-76.png)
![Argument Search Engines Acquisition Paradigms: (b) IBM Debater](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-77.png)
![Argument Search Engines Acquisition Paradigms: (c) ArgumenText](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-78.png)
![Argument Search Engines Ranking Paradigms in IR](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-79.png)
![Argument Search Engines Ranking Paradigms in IR](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-80.png)
![Argument Search Engines Ranking Paradigms in IR](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-81.png)
![Argument Search Engines More on Args](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-82.png)
![Argument Search Engines More on Args](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-83.png)
![Argument Search Engines Presentation and Analytics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-84.png)
![Argument Search Engines Presentation and Analytics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-85.png)
![Argument Search Engines Presentation and Analytics](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-86.png)
![Chapter IR:XI XI. IR Applications](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-87.png)
![SameSide @ ArgMining 2019 1st Shared Task on Same Side Stance Classification](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-88.png)
![Argument Search Evaluation I Same Side Stance Classification](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-89.png)
![Argument Search Evaluation I Same Side Stance Classification](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-90.png)
![Argument Search Evaluation I Same Side Stance Classification](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-91.png)
![Argument Search Evaluation I Same Side Stance Classification: Task Rationale](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-92.png)
![Argument Search Evaluation I Same Side Stance Classification: Tasks Details](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-93.png)
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![Argument Search Evaluation I Same Side Stance Classification: Results “Within Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-96.png)
![Argument Search Evaluation I Same Side Stance Classification: Results “Within Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-97.png)
![Argument Search Evaluation I Same Side Stance Classification: Results “Within Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-98.png)
![Argument Search Evaluation I Same Side Stance Classification: Results “Within Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-99.png)
![Argument Search Evaluation I Same Side Stance Classification: Results “Within Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-100.png)
![Argument Search Evaluation I Same Side Stance Classification: Results “Within Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-101.png)
![Argument Search Evaluation I Same Side Stance Classification: Results “Within Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-102.png)
![Argument Search Evaluation I Same Side Stance Classification: Results “Within Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-103.png)
![Argument Search Evaluation I Same Side Stance Classification: Results “Within Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-104.png)
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![Argument Search Evaluation I Same Side Stance Classification: Results “Cross Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-106.png)
![Argument Search Evaluation I Same Side Stance Classification: Results “Cross Domain”](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-107.png)
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![Argument Search Evaluation II Supporting Argumentative Conversations: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-113.png)
![Argument Search Evaluation II Supporting Argumentative Conversations: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-114.png)
![Argument Search Evaluation II Supporting Argumentative Conversations: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-115.png)
![Argument Search Evaluation II Supporting Argumentative Conversations: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-116.png)
![Argument Search Evaluation II Supporting Argumentative Conversations: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-117.png)
![Argument Search Evaluation II Supporting Argumentative Conversations: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-118.png)
![Argument Search Evaluation II Answering Comparative Questions with Arguments: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-119.png)
![Argument Search Evaluation II Answering Comparative Questions with Arguments: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-120.png)
![Argument Search Evaluation II Answering Comparative Questions with Arguments: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-121.png)
![Argument Search Evaluation II Answering Comparative Questions with Arguments: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-122.png)
![Argument Search Evaluation II Answering Comparative Questions with Arguments: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-123.png)
![Argument Search Evaluation II Answering Comparative Questions with Arguments: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-124.png)
![Argument Search Evaluation II Answering Comparative Questions with Arguments: Results](https://downloads.webis.de/lecturenotes/information-retrieval/unit-en-argument-search/unit-en-argument-search-125.png)
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