org.datamanager.clustering.strategy.gsquared
Class GSquaredStrategy

java.lang.Object
  |
  +--org.datamanager.clustering.strategy.gsquared.GSquaredStrategy

All Implemented Interfaces:

ClusteringStrategy

public class GSquaredStrategy

extends Object

implements ClusteringStrategy

This class represents a gsquared strategy for clustering Emails. At this time it only does pairwise comparisons. FIXME: lots of unused println()s in here.

Version:

$Revision: 1.6 $

Field Summary

static double	DEFAULT_THRESHOLD
static int	MINIMUM_WORD_LENGTH
static int	MINIMUM_WORDLIST_LENGTH

Method Summary

void	addEntity(Entity entity) Satisfying interface.
static GSquaredStrategy	getInstance()
double	getSimilarityBetween(Entity a, Entity b) Gets the similarity between two entities by doing a simple GSquared comparison of the documents.
double	getThreshold()
void	setThreshold(double threshold)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_THRESHOLD

public static final double DEFAULT_THRESHOLD

See Also:

Constant Field Values

MINIMUM_WORD_LENGTH

public static final int MINIMUM_WORD_LENGTH

See Also:

Constant Field Values

MINIMUM_WORDLIST_LENGTH

public static final int MINIMUM_WORDLIST_LENGTH

See Also:

Constant Field Values

Method Detail

getSimilarityBetween

public double getSimilarityBetween(Entity a,
                                   Entity b)

Gets the similarity between two entities by doing a simple GSquared comparison of the documents.

Specified by:

getSimilarityBetween in interface ClusteringStrategy

getInstance

public static final GSquaredStrategy getInstance()

addEntity

public void addEntity(Entity entity)

Satisfying interface.

Specified by:

addEntity in interface ClusteringStrategy

setThreshold

public void setThreshold(double threshold)

Specified by:

setThreshold in interface ClusteringStrategy

getThreshold

public double getThreshold()

Specified by:

getThreshold in interface ClusteringStrategy