weka.core.stemmers

Class IteratedLovinsStemmer

java.lang.Object

weka.core.stemmers.LovinsStemmer

weka.core.stemmers.IteratedLovinsStemmer

All Implemented Interfaces:

java.io.Serializable, RevisionHandler, Stemmer, TechnicalInformationHandler

public class IteratedLovinsStemmer
extends LovinsStemmer

An iterated version of the Lovins stemmer. It stems the word (in case it's longer than 2 characters) until it no further changes.

For more information about the Lovins stemmer see:

Julie Beth Lovins (1968). Development of a stemming algorithm. Mechanical Translation and Computational Linguistics. 11:22-31.

BibTeX:

 @article{Lovins1968,
    author = {Julie Beth Lovins},
    journal = {Mechanical Translation and Computational Linguistics},
    pages = {22-31},
    title = {Development of a stemming algorithm},
    volume = {11},
    year = {1968}
 }
 

Version:

$Revision: 1.7 $

Author:

Eibe Frank (eibe at cs dot waikato dot ac dot nz)

See Also:

LovinsStemmer, Serialized Form

Constructor Summary

Constructors

Constructor and Description
IteratedLovinsStemmer()

Method Summary

Modifier and Type	Method and Description
java.lang.String	getRevision() Returns the revision string.
java.lang.String	globalInfo() Returns a string describing the stemmer
static void	main(java.lang.String[] args) Runs the stemmer with the given options
java.lang.String	stem(java.lang.String str) Iterated stemming of the given word.

Methods inherited from class weka.core.stemmers.LovinsStemmer

getTechnicalInformation, stemString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IteratedLovinsStemmer

public IteratedLovinsStemmer()

Method Detail

globalInfo

public java.lang.String globalInfo()

Returns a string describing the stemmer

Overrides:

globalInfo in class LovinsStemmer

Returns:

a description suitable for displaying in the explorer/experimenter gui

stem

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

Iterated stemming of the given word. Word is converted to lower case.

Specified by:

stem in interface Stemmer

Overrides:

stem in class LovinsStemmer

Parameters:

str - the word to stem

Returns:

the stemmed word

getRevision

public java.lang.String getRevision()

Returns the revision string.

Specified by:

getRevision in interface RevisionHandler

Overrides:

getRevision in class LovinsStemmer

Returns:

the revision

main

public static void main(java.lang.String[] args)

Runs the stemmer with the given options

Parameters:

args - the options