edu.northwestern.at.morphadorner.corpuslinguistics.postagger.unigram

Class UnigramTagger

java.lang.Object

edu.northwestern.at.utils.IsCloseableObject

edu.northwestern.at.morphadorner.corpuslinguistics.postagger.AbstractPartOfSpeechTagger

edu.northwestern.at.morphadorner.corpuslinguistics.postagger.unigram.UnigramTagger

All Implemented Interfaces:

UsesLexicon, CanTagOneWord, PartOfSpeechTagger, IsCloseable, UsesLogger

Direct Known Subclasses:

AffixTagger, IRetagger, NoopRetagger, ProperNounRetagger, RegexpTagger, SimpleRuleBasedTagger, SuffixTagger, TCPRetagger

public class UnigramTagger
extends AbstractPartOfSpeechTagger
implements PartOfSpeechTagger, CanTagOneWord

Unigram Part of Speech tagger.

The unigram part of speech tagger uses a lexicon to assign the most frequently occurring part of speech tag to a spelling.

Field Summary

Fields inherited from class edu.northwestern.at.morphadorner.corpuslinguistics.postagger.AbstractPartOfSpeechTagger

contextRules, contextualSmoother, dynamicLexicon, lexicalRules, lexicalSmoother, lexicon, logger, partOfSpeechGuesser, postTokenizer, retagger, ruleCorrections, transitionMatrix

Constructor Summary

Constructors

Constructor and Description
UnigramTagger() Create a unigram tagger.

Method Summary

Methods

Modifier and Type	Method and Description
<T extends AdornedWord> java.util.List<T>	tagAdornedWordList(java.util.List<T> sentence) Tag an adorned word list.
java.lang.String	tagWord(AdornedWord word) Tag a single word.
java.lang.String	tagWord(java.lang.String word) Tag a single word.
java.lang.String	toString() Return tagger description.

Methods inherited from class edu.northwestern.at.morphadorner.corpuslinguistics.postagger.AbstractPartOfSpeechTagger

clearRuleCorrections, createPartOfSpeechGuesser, getContextualSmoother, getDynamicLexicon, getLexicalSmoother, getLexicon, getLexicon, getLogger, getMostCommonTag, getPartOfSpeechGuesser, getPostTokenizer, getRetagger, getRuleCorrections, getTagCount, getTagsForWord, getTransitionMatrix, incrementRuleCorrections, retagWords, setContextRules, setContextualSmoother, setLexicalRules, setLexicalSmoother, setLexicon, setLogger, setPartOfSpeechGuesser, setPostTokenizer, setRetagger, setTransitionMatrix, tagAdornedWordSentence, tagAdornedWordSentences, tagSentence, tagSentences, usesContextRules, usesLexicalRules, usesTransitionProbabilities

Methods inherited from class edu.northwestern.at.utils.IsCloseableObject

close

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface edu.northwestern.at.morphadorner.corpuslinguistics.postagger.PartOfSpeechTagger

clearRuleCorrections, getContextualSmoother, getLexicalSmoother, getLexicon, getLexicon, getPartOfSpeechGuesser, getPostTokenizer, getRetagger, getRuleCorrections, getTagCount, getTagsForWord, getTransitionMatrix, incrementRuleCorrections, retagWords, setContextRules, setContextualSmoother, setLexicalRules, setLexicalSmoother, setLexicon, setPartOfSpeechGuesser, setPostTokenizer, setRetagger, setTransitionMatrix, tagAdornedWordSentence, tagAdornedWordSentences, tagSentence, tagSentences, usesContextRules, usesLexicalRules, usesTransitionProbabilities

Methods inherited from interface edu.northwestern.at.utils.IsCloseable

close

Constructor Detail

UnigramTagger

public UnigramTagger()

Create a unigram tagger.

Method Detail

tagAdornedWordList

public <T extends AdornedWord> java.util.List<T> tagAdornedWordList(java.util.List<T> sentence)

Tag an adorned word list.

Specified by:

tagAdornedWordList in interface PartOfSpeechTagger

Specified by:

tagAdornedWordList in class AbstractPartOfSpeechTagger

Parameters:

sentence - The sentence as a list of adorned words.

Returns:

An AdornedWord of the words in the sentence tagged with parts of speech.

The input sentence is a AdornedWord of words to tag. The output is the same list with parts of speech added.

tagWord

public java.lang.String tagWord(java.lang.String word)

Tag a single word.

Specified by:

tagWord in interface CanTagOneWord

Parameters:

word - The word.

Returns:

The part of speech for the word.

Returns most common tag for word.

tagWord

public java.lang.String tagWord(AdornedWord word)

Tag a single word.

Specified by:

tagWord in interface CanTagOneWord

Parameters:

word - The word as an AdornedWord.

Returns:

The part of speech for the word. The part of speech is also set in the input AdornedWord.

Returns most common tag for word.

toString

public java.lang.String toString()

Return tagger description.

Overrides:

toString in class java.lang.Object

Returns:

Tagger description.