dragon.ir.clustering.docdistance

Class AbstractDocDistance

java.lang.Object

dragon.ir.clustering.docdistance.AbstractDocDistance

All Implemented Interfaces:

DocDistance

Direct Known Subclasses:

CosineDocDistance, EuclideanDocDistance, KLDivDocDistance

public abstract class AbstractDocDistance
extends Object
implements DocDistance

Abstract Documennt Distance Measure

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields

Modifier and Type	Field and Description
protected FeatureFilter	featureFilter
protected SparseMatrix	matrix

Constructor Summary

Constructors

Constructor and Description
AbstractDocDistance(SparseMatrix matrix)

Method Summary

Modifier and Type	Method and Description
FeatureFilter	getFeatureFilter()
void	setFeatureFilter(FeatureFilter selector) A feature selector is set.

Methods inherited from class java.lang.Object

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

Methods inherited from interface dragon.ir.clustering.docdistance.DocDistance

getDistance

Field Detail

featureFilter

protected FeatureFilter featureFilter

matrix

protected SparseMatrix matrix

Constructor Detail

AbstractDocDistance

public AbstractDocDistance(SparseMatrix matrix)

Method Detail

setFeatureFilter

public void setFeatureFilter(FeatureFilter selector)

Description copied from interface: DocDistance

A feature selector is set. After that, the excluded features do not count in cluster model any more.

Specified by:

setFeatureFilter in interface DocDistance

Parameters:

selector - the feature selector

getFeatureFilter

public FeatureFilter getFeatureFilter()

Specified by:

getFeatureFilter in interface DocDistance

Returns:

the feature selector used for the cluster model