Class de.aitools.js.TermFrequency

Implementation of TermFrequency
Defined in: RetrievalModel.js.

Class Summary
Constructor Attributes	Constructor Name and Description
	de.aitools.js.TermFrequency() Implementation of TermFrequency as representation function to be used in a retrieval model

Method Summary
Method Attributes	Method Name and Description
<static>	de.aitools.js.TermFrequency.getBackStemming() Returns the backstemming map that is created while document representation.
<static>	de.aitools.js.TermFrequency.getVocabulary() Returns the vocabulary that is created while document representation.
<static>	de.aitools.js.TermFrequency.representDocument(document) Creates and returns a vector space representation with the term frequency model.
<static>	de.aitools.js.TermFrequency.setDynamicStopwords(wordsArray)
<static>	de.aitools.js.TermFrequency.setRemoveStopwords(bool) Activate or deactivate stopword removal.
<static>	de.aitools.js.TermFrequency.setStemming(bool) Activate or deactivate stemming.
<static>	de.aitools.js.TermFrequency.setVocabulary(vocabulary) Set a vocabulary to use in document representation process.

Class Detail

de.aitools.js.TermFrequency()

Implementation of TermFrequency as representation function to be used in a retrieval model
Author: Christof Braeutigam christof.braeutigam@uni-weimar.de.

See:: de.aitools.js.RetrievalModel

Method Detail

<static> {Object} de.aitools.js.TermFrequency.getBackStemming()

Returns the backstemming map that is created while document representation.

Returns:: {Object} the backstemming map

<static> {de.aitools.js.Vocabulary} de.aitools.js.TermFrequency.getVocabulary()

Returns the vocabulary that is created while document representation.

Returns:: {de.aitools.js.Vocabulary} the vocabulary

See:: de.aitools.js.Vocabulary

<static> {de.aitools.js.Vector} de.aitools.js.TermFrequency.representDocument(document)

Creates and returns a vector space representation with the term frequency model. The representation is a Vector

Parameters:
{de.aitools.js.Document} document: The document to represent.

Returns:: {de.aitools.js.Vector} A vector space representation of the document.

See:: de.aitools.js.Vector

<static> de.aitools.js.TermFrequency.setDynamicStopwords(wordsArray)

Parameters:
wordsArray

<static> de.aitools.js.TermFrequency.setRemoveStopwords(bool)

Activate or deactivate stopword removal.

Parameters:
{boolean} bool: Activate (true) or deactivate (false) stopword removal.

<static> de.aitools.js.TermFrequency.setStemming(bool)

Activate or deactivate stemming.

Parameters:
{boolean} bool: Activate (true) or deactivate (false) stemming.

<static> de.aitools.js.TermFrequency.setVocabulary(vocabulary)

Set a vocabulary to use in document representation process. Without specifying a vocabulary by this function, a empty vocabulary is used. The vocabulary will be modified, i.e. new terms will be added.

Parameters:
{de.aitools.js.Vocabulary} vocabulary: The vocabulary to use.

See:: de.aitools.js.Vocabulary

Classes

Class de.aitools.js.TermFrequency