dragon.ir.clustering.docdistance

Interface DocDistance

All Known Implementing Classes:

AbstractDocDistance, CosineDocDistance, EuclideanDocDistance, KLDivDocDistance

public interface DocDistance

Interface of pair-wised document distance metric

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Method Summary

Modifier and Type	Method and Description
double	getDistance(IRDoc first, IRDoc second)
FeatureFilter	getFeatureFilter()
void	setFeatureFilter(FeatureFilter selector) A feature selector is set.

Method Detail

getDistance

double getDistance(IRDoc first,
                   IRDoc second)

Parameters:

first - the first document

second - the second document

Returns:

the distance of the given document pair

setFeatureFilter

void setFeatureFilter(FeatureFilter selector)

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

Parameters:

selector - the feature selector

getFeatureFilter

FeatureFilter getFeatureFilter()

Returns:

the feature selector used for the cluster model