org.nlp2rdf.implementation.snowball
Class SnowballStemmer

java.lang.Object
  org.tartarus.snowball.SnowballProgram
      org.nlp2rdf.implementation.snowball.SnowballStemmer

public class SnowballStemmer
extends org.tartarus.snowball.SnowballProgram

A Wrapper for Tartarus' Snowball Stemmer. The name of a class from org.tartarus.snowball.ext. can be given to initialize the stemmer see: http://lucene.apache.org/java/2_4_0/api/contrib-snowball/index.html

This decorator attaches the stem to each :Word it finds.

User: Sebastian Hellmann - http://bis.informatik.uni-leipzig.de/SebastianHellmann

Field Summary

org.tartarus.snowball.SnowballProgram

decoratee

Constructor Summary

SnowballStemmer()
For the English PorterStemmer

SnowballStemmer(String stemmerClass)

Method Summary

void	processNIFModel(com.hp.hpl.jena.ontology.OntModel model)
void	processText(String prefix, URIGenerator urigenerator, String text, com.hp.hpl.jena.ontology.OntModel model)
boolean	stem()
String	stem(String token)

Methods inherited from class org.tartarus.snowball.SnowballProgram

getCurrent, setCurrent

Methods inherited from class java.lang.Object

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

Field Detail

decoratee

public org.tartarus.snowball.SnowballProgram decoratee

Constructor Detail

SnowballStemmer

public SnowballStemmer()

For the English PorterStemmer

SnowballStemmer

public SnowballStemmer(String stemmerClass)

Parameters:

stemmerClass - a class from the following list http://lucene.apache.org/java/2_4_0/api/contrib-snowball/index.html

Method Detail

processText

public void processText(String prefix,
                        URIGenerator urigenerator,
                        String text,
                        com.hp.hpl.jena.ontology.OntModel model)

processNIFModel

public void processNIFModel(com.hp.hpl.jena.ontology.OntModel model)

stem

public String stem(String token)

stem

public boolean stem()

Specified by:

stem in class org.tartarus.snowball.SnowballProgram