Package weka.core.stemmers
Class IteratedLovinsStemmer
- java.lang.Object
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- weka.core.stemmers.LovinsStemmer
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- weka.core.stemmers.IteratedLovinsStemmer
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- 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
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Constructor Summary
Constructors Constructor Description IteratedLovinsStemmer()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
getRevision()
Returns the revision string.java.lang.String
globalInfo()
Returns a string describing the stemmerstatic void
main(java.lang.String[] args)
Runs the stemmer with the given optionsjava.lang.String
stem(java.lang.String str)
Iterated stemming of the given word.-
Methods inherited from class weka.core.stemmers.LovinsStemmer
getTechnicalInformation, stemString, toString
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Method Detail
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globalInfo
public java.lang.String globalInfo()
Returns a string describing the stemmer- Overrides:
globalInfo
in classLovinsStemmer
- Returns:
- a description suitable for displaying in the explorer/experimenter gui
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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 interfaceStemmer
- Overrides:
stem
in classLovinsStemmer
- Parameters:
str
- the word to stem- Returns:
- the stemmed word
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getRevision
public java.lang.String getRevision()
Returns the revision string.- Specified by:
getRevision
in interfaceRevisionHandler
- Overrides:
getRevision
in classLovinsStemmer
- Returns:
- the revision
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main
public static void main(java.lang.String[] args)
Runs the stemmer with the given options- Parameters:
args
- the options
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