Research

Research Challenges

Summarization and Text Synthesis [2018 - today]
How to develop specialized summarization systems?
[shared task: social media summarization] [shared task: e-sport summarization]

Computational Argumentation [2015 - today]
How to develop the next generation of search engines and personal assistants?
[shared task: same side stance classification] [shared task: argument comprehension]

Authorship Analytics [2011 - today]
How to develop better algorithms for authorship analysis?
[shared task: authorship attribution] [shared task: style change detection] [shared task: gender prediction] [shared task: celebrity profiling]

Computational Ethics [2010 - today]
How to develop effective algorithms for media credibility analysis and deception detection?
[shared task: hyperpartisan news detection] [shared task: clickbait detection] [shared task: propaganda detection]

Information Retrieval and Search

ACQuA [2018 - today]
Answering Comparative Questions with Arguments.
[service: comparative argumentative machine] [api]

Conversational Search [2018 - today]
Research on information-seeking conversations with machines.

Args [2017 - today]
The first search engine for arguments on the web.
[service: argument search engine] [api]

ChatNoir [2010 - today]
Research search engine with ranking explanation indexing the ClueWeb and CommonCrawl.
[service: search engine] [api]

Netspeak [2006 - today]
Technology for text correction and idiomatic writing.
[service: phrase search on the web] [api] [video]

Picapica [2005 - today]
Technology for automated plagiarism detection.
[service: text reuse tools] [demo: writing process] [video]

Retrieval Models [2011 - 2013]
Interactive map to overview and compare the characteristics of well-known retrieval models.

Query Segmentation [2010 - 2013]
Second-guess the user’s intent from a search query.
[demo] [api]

Wikipedia Fingerprinting [2007]
Search engine implementing full text queries against Wikipedia based on fingerprinting.

AIsearch [2003 - 2006]
Meta search engine for Web document categorization and graphical access.
[video]

Natural Language Processing and Computational Linguistics

CLICKBAIT [2016 - today]
Analysis of clickbait messages in social media.

ArguAna for the Web [2016 - today]
Argumentation analysis for the web.
[service: argument search] [api] [demo: essay scoring]

ArguAna [2012 - 2015]
Argumentation analysis in customer opinion mining.
[demo: review analysis]

InfexBA [2009 - 2011]
Information extraction for business applications.
[demo: sentiment detection in text]

OpinionCloud [2008 - 2013]
On the fly comment summarization for YouTube and Flickr.

Person Resolution [2007 - 2008]
Resolution of named entities in Web pages.

Market Forecast [2005 - 2006]
Extraction and summarization of market forecast statements for a user-specified market.

Data Mining and Machine Learning

Web Archive [2018 - today]
Analysis of the web using an 8 PB dataset of the Internet Archive's web archive.

Deep Text Analytics [2015 - today]
Deep analysis of textual content in collaboration with Adobe.

Digital Engineering [2010 - today]
Data mining in artificially generated data to support modeling and simulation tasks.

Wikipedia Quality [2010 - today]
Analysis and prediction of quality flaws in Wikipedia.

Wikipedia Vandalism [2007 - today]
Analysis and detection of vandalism on Wikipedia.
[service: spatio-temporal analysis]

CAIR [2010 - 2015]
Semantic cluster analysis in information retrieval.

Web Genres [2006 - 2008]
On the fly genre analysis for Web pages.
[video]

Software Engineering and Tool Development

WAT-SL [2017 - today]
Web Annotation Tool for Segment Labeling.
[demo: annotation tool] [code]

Webis@Github [2013 - today]
Webis github account that hosts the source code for reproducing our research.

TIRA [2007 - today]
Online experiment configuration and execution.
[service: online infrastructure for research experiments]

AItools [2003 - today]
Java library for information retrieval and data mining.

NoSQL Databases [2014 - 2015]
Key-value storage systems for Big Data applications.