csli.util.nlp.stem
Class DictionaryStemmer

java.lang.Object
  csli.util.nlp.Stemmer
      csli.util.nlp.stem.DictionaryStemmer

All Implemented Interfaces:

Serializable

public class DictionaryStemmer
extends Stemmer

Dictionary-based stemmer - loads morphological pairs from a dictionary file into a lookup table. Rule files should be in /util/ext - there's one called oald_morph_pairs.txt derived from the Oxford Advanced Learner's Dictionary of English.

Author:

mpurver

See Also:

Serialized Form

Constructor Summary

DictionaryStemmer()

Method Summary

String

stem(String wordString) Stem a word string.

Methods inherited from class csli.util.nlp.Stemmer

stem, stem, stemScored

Methods inherited from class java.lang.Object

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

Constructor Detail

DictionaryStemmer

public DictionaryStemmer()

Method Detail

stem

public String stem(String wordString)

Description copied from class: Stemmer

Stem a word string. Should return NULL on error.

Specified by:

stem in class Stemmer

Parameters:

wordString - the word string to stem

Returns:

the word stem (root form) as a string