org.eml.sir.util
Class SnowballStemmer

java.lang.Object
  org.eml.sir.util.Stemmer
      org.eml.sir.util.SnowballStemmer

All Implemented Interfaces:

java.io.Serializable

public class SnowballStemmer

extends Stemmer

Rule based stemmer. Wraps the net.sf.snowball.ext.germanStemmer class.

Author:

Hendrik Niederlich (EML-R)

See Also:

Serialized Form

Constructor Summary

SnowballStemmer()
Create a new instance of SnowballStemmer.

Method Summary

java.util.HashMap	stem(java.util.ArrayList words) Stem many words.
java.lang.String	stem(java.lang.String word) Stem a word.

Methods inherited from class java.lang.Object

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

Constructor Detail

SnowballStemmer

public SnowballStemmer()

Create a new instance of SnowballStemmer.

Method Detail

stem

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

Stem a word.

Specified by:

stem in class Stemmer

stem

public java.util.HashMap stem(java.util.ArrayList words)

Stem many words.

Specified by:

stem in class Stemmer

Parameters:

words - ArrayList of Strings, each a word to be stemmed.

Returns:

HashMap with words as keys and their particular stems as the values.