info.ephyra.nlp
Class SnowballStemmer

java.lang.Object
  info.ephyra.nlp.SnowballStemmer

public class SnowballStemmer
extends java.lang.Object

This class provides an interface to the Snowball stemmer for the English language.

Version:

2006-04-21

Author:

Nico Schlaefer

Field Summary

private static org.tartarus.snowball.ext.englishStemmer

stemmer Snowball stemmer for the English language.

Constructor Summary

SnowballStemmer()

Method Summary

static void	create() Creates the stemmer.
static java.lang.String	stem(java.lang.String word) Stems a single English word.
static java.lang.String	stemAllTokens(java.lang.String tokens) Stems all tokens in a string of space-delimited English words.

Methods inherited from class java.lang.Object

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

Field Detail

stemmer

private static org.tartarus.snowball.ext.englishStemmer stemmer

Snowball stemmer for the English language.

Constructor Detail

SnowballStemmer

public SnowballStemmer()

Method Detail

create

public static void create()

Creates the stemmer.

stem

public static java.lang.String stem(java.lang.String word)

Stems a single English word.

Parameters:

word - the word to be stemmed

Returns:

stemmed word

stemAllTokens

public static java.lang.String stemAllTokens(java.lang.String tokens)

Stems all tokens in a string of space-delimited English words.

Parameters:

tokens - string of tokens to be stemmed

Returns:

string of stemmed tokens