edu.northwestern.at.utils.corpuslinguistics.namerecognizer
Class AbstractNameRecognizer

java.lang.Object
  edu.northwestern.at.utils.IsCloseableObject
      edu.northwestern.at.utils.corpuslinguistics.namerecognizer.AbstractNameRecognizer

All Implemented Interfaces:

UsesLexicon, NameRecognizer, UsesLogger

Direct Known Subclasses:

DefaultNameRecognizer

public abstract class AbstractNameRecognizer
extends IsCloseableObject
implements NameRecognizer, UsesLexicon, UsesLogger

Abstract Name Recognizer.

Field Summary

protected Lexicon	lexicon Lexicon used by name recognizer.
protected Logger	logger Logger used for output.
protected Names	names Built-in name lists.
protected PartOfSpeechTagger	partOfSpeechTagger Part of speech tagger used to find noun phrases.
protected PartOfSpeechTags	partOfSpeechTags Part of speech tags.
protected SentenceSplitter	sentenceSplitter Sentence splitter.
protected WordTokenizer	wordTokenizer Word tokenizer.

Constructor Summary

AbstractNameRecognizer()

Method Summary

void	close() Close the name recognizer.
abstract <T extends AdornedWord> java.util.List<NamePosition>[]	findNamePositions(java.util.List<java.util.List<T>> sentences) Returns name positions in list of adorned word sentences.
abstract <T extends AdornedWord> java.util.Set<java.lang.String>[]	findNames(java.util.List<java.util.List<T>> sentences) Returns names from list of adorned word sentences.
abstract java.util.Set<java.lang.String>[]	findNames(java.lang.String text) Returns names from text.
Lexicon	getLexicon() Get the word lexicon.
Logger	getLogger() Get the logger.
PartOfSpeechTagger	getPartOfSpeechTagger() Get part of speech tagger.
static <T extends AdornedWord> java.lang.String	namePositionToName(java.util.List<java.util.List<T>> sentences, NamePosition namePosition) Get name from name position.
void	setLexicon(Lexicon lexicon) Set the lexicon.
void	setLogger(Logger logger) Set the logger.
void	setPartOfSpeechTagger(PartOfSpeechTagger posTagger) Set part of speech tagger used to find noun phrases.

Methods inherited from class java.lang.Object

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

Field Detail

lexicon

protected Lexicon lexicon

Lexicon used by name recognizer.

partOfSpeechTagger

protected PartOfSpeechTagger partOfSpeechTagger

Part of speech tagger used to find noun phrases.

wordTokenizer

protected WordTokenizer wordTokenizer

Word tokenizer.

sentenceSplitter

protected SentenceSplitter sentenceSplitter

Sentence splitter.

partOfSpeechTags

protected PartOfSpeechTags partOfSpeechTags

Part of speech tags.

names

protected Names names

Built-in name lists.

logger

protected Logger logger

Logger used for output.

Constructor Detail

AbstractNameRecognizer

public AbstractNameRecognizer()

Method Detail

getLogger

public Logger getLogger()

Get the logger.

Specified by:

getLogger in interface UsesLogger

Returns:

The logger.

setLogger

public void setLogger(Logger logger)

Set the logger.

Specified by:

setLogger in interface UsesLogger

Parameters:

logger - The logger.

getLexicon

public Lexicon getLexicon()

Get the word lexicon.

Specified by:

getLexicon in interface UsesLexicon

Specified by:

getLexicon in interface NameRecognizer

Returns:

The static word lexicon.

setLexicon

public void setLexicon(Lexicon lexicon)

Set the lexicon.

Specified by:

setLexicon in interface UsesLexicon

Specified by:

setLexicon in interface NameRecognizer

Parameters:

lexicon - Lexicon used for tagging.

getPartOfSpeechTagger

public PartOfSpeechTagger getPartOfSpeechTagger()

Get part of speech tagger.

Specified by:

getPartOfSpeechTagger in interface NameRecognizer

Returns:

The part of speech tagger.

setPartOfSpeechTagger

public void setPartOfSpeechTagger(PartOfSpeechTagger posTagger)

Set part of speech tagger used to find noun phrases.

Specified by:

setPartOfSpeechTagger in interface NameRecognizer

Parameters:

posTagger - The part of speech tagger.

namePositionToName

public static <T extends AdornedWord> java.lang.String namePositionToName(java.util.List<java.util.List<T>> sentences,
                                                                          NamePosition namePosition)

Get name from name position.

Parameters:

sentences - The collection of sentences.

namePosition - The name position.

Returns:

The name string.

findNames

public abstract java.util.Set<java.lang.String>[] findNames(java.lang.String text)

Returns names from text.

Specified by:

findNames in interface NameRecognizer

Parameters:

text - The text from which to extract names.

Returns:

Array of Set of names and places as strings. [0] = Set of proper names. [1] = Set of places.

findNames

public abstract <T extends AdornedWord> java.util.Set<java.lang.String>[] findNames(java.util.List<java.util.List<T>> sentences)

Returns names from list of adorned word sentences.

Specified by:

findNames in interface NameRecognizer

Parameters:

sentences - The collection of sentences.

Returns:

Array of Set of names and places. [0] = Set of proper names. [1] = Set of places.

findNamePositions

public abstract <T extends AdornedWord> java.util.List<NamePosition>[] findNamePositions(java.util.List<java.util.List<T>> sentences)

Returns name positions in list of adorned word sentences.

Specified by:

findNamePositions in interface NameRecognizer

Parameters:

sentences - The collection of sentences.

Returns:

Array of Set of names and places. [0] = Set of proper names. [1] = Set of places.

close

public void close()

Close the name recognizer.

Overrides:

close in class IsCloseableObject