csli.util.nlp
Class Lemmatiser

java.lang.Object
  csli.util.nlp.Lemmatiser

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

DictionaryLemmatiser

public abstract class Lemmatiser
extends Object
implements Serializable

An abstract lemmatiser.

See Also:

Serialized Form

Constructor Summary

Lemmatiser()

Method Summary

List<Lemma>	getLemma(List<String> wordList) Produce a list of lemmas (pairs of root form & part-of-speech) from a list of word strings.
abstract Lemma	getLemma(String wordString) Produce a lemma (pair of root form & part-of-speech) from a word string.
abstract String	getWord(Lemma lemma) Generate a morphological word string from a lemma (pair of root form & part-of-speech).
List<String>	getWord(List<Lemma> lemmaList) Produce a list of morphological word strings from a list of lemmas (pairs of root form & part-of-speech).

Methods inherited from class java.lang.Object

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

Constructor Detail

Lemmatiser

public Lemmatiser()

Method Detail

getLemma

public abstract Lemma getLemma(String wordString)

Produce a lemma (pair of root form & part-of-speech) from a word string. Should return NULL on error.

Parameters:

wordString - the word string to lemmatise

Returns:

the corresponding lemma

getLemma

public List<Lemma> getLemma(List<String> wordList)

Produce a list of lemmas (pairs of root form & part-of-speech) from a list of word strings. Should return NULL on error.

Parameters:

wordList - the list of word strings to lemmatise

Returns:

the corresponding list of lemmas

getWord

public abstract String getWord(Lemma lemma)

Generate a morphological word string from a lemma (pair of root form & part-of-speech). Should return NULL on error.

Parameters:

lemma - the lemma from which to generate

Returns:

the corresponding word string

getWord

public List<String> getWord(List<Lemma> lemmaList)

Produce a list of morphological word strings from a list of lemmas (pairs of root form & part-of-speech). Should return NULL on error.

Parameters:

lemmaList - the list of lemmas from which to generate

Returns:

the corresponding list of word strings