org.carrot2.text.preprocessing.filter
Class StopWordLabelFilter

java.lang.Object
  org.carrot2.text.preprocessing.filter.SingleLabelFilterBase
      org.carrot2.text.preprocessing.filter.StopWordLabelFilter

All Implemented Interfaces:

ILabelFilter

public class StopWordLabelFilter
extends SingleLabelFilterBase

Accepts words that are not stop words and phrases that do not start nor end in a stop word.

Field Summary

boolean

enabled Remove leading and trailing stop words.

Constructor Summary

StopWordLabelFilter()

Method Summary

boolean	acceptPhrase(PreprocessingContext context, int phraseIndex) Should return true if the phrase located at phraseIndex is to be accepted, false otherwise.
boolean	acceptWord(PreprocessingContext context, int wordIndex) Should return true if the word located at wordIndex is to be accepted, false otherwise.
boolean	isEnabled()

Methods inherited from class org.carrot2.text.preprocessing.filter.SingleLabelFilterBase

filter

Methods inherited from class java.lang.Object

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

Field Detail

enabled

public boolean enabled

Remove leading and trailing stop words. Removes labels that consist of, start or end in stop words.

Attribute level:

Basic

Attribute group:

Label filtering

Constructor Detail

StopWordLabelFilter

public StopWordLabelFilter()

Method Detail

acceptPhrase

public boolean acceptPhrase(PreprocessingContext context,
                            int phraseIndex)

Description copied from class: SingleLabelFilterBase

Should return true if the phrase located at phraseIndex is to be accepted, false otherwise.

Specified by:

acceptPhrase in class SingleLabelFilterBase

Parameters:

context - provides access to all information about the phrase

phraseIndex - index of the phrase for which decision is to be made

acceptWord

public boolean acceptWord(PreprocessingContext context,
                          int wordIndex)

Description copied from class: SingleLabelFilterBase

Should return true if the word located at wordIndex is to be accepted, false otherwise.

Specified by:

acceptWord in class SingleLabelFilterBase

Parameters:

context - provides access to all information about the word

wordIndex - index of the word for which decision is to be made

isEnabled

public boolean isEnabled()

Returns:

true if the filter is to be applied, false if the filter should be omitted by the LabelFilterProcessor.