dragon.nlp.ontology

Class BasicVocabulary

java.lang.Object

dragon.nlp.ontology.AbstractVocabulary

dragon.nlp.ontology.BasicVocabulary

All Implemented Interfaces:

Vocabulary

public class BasicVocabulary
extends AbstractVocabulary

The class can be called directly to support vocabulary operations

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields inherited from class dragon.nlp.ontology.AbstractVocabulary

enable_adjterm_option, enable_coordinate_option, enable_lemma_option, enable_npp_option, lemmatiser, list, maxPhraseLength, minPhraseLength, nonboundaryPunctuations

Constructor Summary

Constructors

Constructor and Description
BasicVocabulary(String termFilename)
BasicVocabulary(String termFilename, Lemmatiser lemmatiser)

Method Summary

Modifier and Type	Method and Description
Word	findPhrase(Word start) Finds out the phrase beging with the given word.
boolean	isPhrase(String term) Tests if the term is a phrase
boolean	isPhrase(Word start, Word end) Tests if the term specified by the starting word and the ending word is a prhase.

Methods inherited from class dragon.nlp.ontology.AbstractVocabulary

buildString, getAdjectivePhraseOption, getCoordinateOption, getLemma, getLemmaOption, getNonBoundaryPunctuation, getNPPOption, getPhrase, getPhraseNum, isBoundaryWord, isStartingWord, isUsefulForPhrase, maxPhraseLength, minPhraseLength, readVocabularyMeta, setAdjectivePhraseOption, setCoordinateOption, setLemmaOption, setNonBoundaryPunctuation, setNPPOption

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicVocabulary

public BasicVocabulary(String termFilename)

BasicVocabulary

public BasicVocabulary(String termFilename,
                       Lemmatiser lemmatiser)

Method Detail

isPhrase

public boolean isPhrase(String term)

Description copied from interface: Vocabulary

Tests if the term is a phrase

Parameters:

term - the term for testing

Returns:

true if the term is a phrase defined in the vocabulary

isPhrase

public boolean isPhrase(Word start,
                        Word end)

Description copied from interface: Vocabulary

Tests if the term specified by the starting word and the ending word is a prhase.

Parameters:

start - the starting word of the phrase

end - the ending word of the phrase

Returns:

true if the term is a phrase defined in the vocabulary

findPhrase

public Word findPhrase(Word start)

Description copied from interface: Vocabulary

Finds out the phrase beging with the given word.

Parameters:

start - the starting word

Returns:

the ending word if a phrase is matched; otherwise null.