de.aitools.ie.stemming.stemmer
Class SnowballStemmer

java.lang.Object
  de.aitools.ie.stemming.stemmer.SnowballStemmer

All Implemented Interfaces:

Stemmer

public class SnowballStemmer
extends java.lang.Object
implements Stemmer

This class is a wrapper that gives access to the stemmers provided by Snowball.

Currently the following languages are supported: Danish, Dutch, English, Finnish, French, German, Hungarian, Italian, Norwegian, Portuguese, Romanian, Spanish, Swedish, Turkish.

See also http://snowball.tartarus.org.

Version:

aitools 2.0 Created on 11.08.2008 $Id: SnowballStemmer.java,v 1.3 2011/02/15 10:32:37 hoppe Exp $

Author:

maik.anderka@medien.uni-weimar.de

Constructor Summary

SnowballStemmer(java.util.Locale language)
Constructs a SnowballStemmer for the specified language.

Method Summary

java.lang.String

stem(java.lang.String word) Builds the stem of the specified word.

Methods inherited from class java.lang.Object

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

Constructor Detail

SnowballStemmer

public SnowballStemmer(java.util.Locale language)

Constructs a SnowballStemmer for the specified language.

Parameters:

language - Language of the text to be stemmed.

Throws:

StemmerException - If the specified language is not supported by Snowball.

java.lang.IllegalArgumentException - If language == null.

Method Detail

stem

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

Description copied from interface: Stemmer

Builds the stem of the specified word.

Specified by:

stem in interface Stemmer

Parameters:

word - Word to be stemmed.

Returns:

Stem of the specified word.