weka.core.stopwords

Class WordsFromFile

java.lang.Object

weka.core.stopwords.AbstractStopwords

weka.core.stopwords.AbstractFileBasedStopwords

weka.core.stopwords.WordsFromFile

All Implemented Interfaces:

java.io.Serializable, OptionHandler, StopwordsHandler

public class WordsFromFile
extends AbstractFileBasedStopwords

Uses the stopwords located in the specified file (ignored _if pointing to a directory). One stopword per line. Lines starting with '#' are considered comments and ignored.

Valid options are:

 -D
  If set, stopword scheme is run in debug mode and
  may output additional info to the console

 -stopwords <file>
  The file containing the stopwords.
  (default: .)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.HashSet<java.lang.String>	m_Words The hash set containing the list of stopwords.

Fields inherited from class weka.core.stopwords.AbstractFileBasedStopwords

m_Stopwords

Fields inherited from class weka.core.stopwords.AbstractStopwords

m_Debug, m_Initialized

Constructor Summary

Constructors

Constructor and Description
WordsFromFile()

Method Summary

Modifier and Type	Method and Description
java.lang.String	globalInfo() Returns a string describing the stopwords scheme.
protected void	initialize() Performs intialization of the scheme.
protected boolean	is(java.lang.String word) Returns true if the given string is a stop word.
java.lang.String	stopwordsTipText() Returns the tip text for this property.

Methods inherited from class weka.core.stopwords.AbstractFileBasedStopwords

getOptions, getStopwords, listOptions, read, setOptions, setStopwords

Methods inherited from class weka.core.stopwords.AbstractStopwords

debug, debugTipText, error, getDebug, isStopword, reset, setDebug

Methods inherited from class java.lang.Object

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

Field Detail

m_Words

protected java.util.HashSet<java.lang.String> m_Words

The hash set containing the list of stopwords.

Constructor Detail

WordsFromFile

public WordsFromFile()

Method Detail

globalInfo

public java.lang.String globalInfo()

Returns a string describing the stopwords scheme.

Specified by:

globalInfo in class AbstractStopwords

Returns:

a description suitable for displaying in the gui

stopwordsTipText

public java.lang.String stopwordsTipText()

Returns the tip text for this property.

Specified by:

stopwordsTipText in class AbstractFileBasedStopwords

Returns:

tip text for this property suitable for displaying in the explorer/experimenter gui

initialize

protected void initialize()

Performs intialization of the scheme.

Overrides:

initialize in class AbstractStopwords

is

protected boolean is(java.lang.String word)

Returns true if the given string is a stop word.

Specified by:

is in class AbstractStopwords

Parameters:

word - the word to test

Returns:

true if the word is a stopword