Catalano.Graph.Network

Class Hits

java.lang.Object

Catalano.Graph.Network.Hits

public class Hits
extends java.lang.Object

Hyperlink-Induced Topic Search. Hits is a link analysis algorithm that rates Web pages.

Constructor Summary

Constructors

Constructor and Description
Hits(AdjacencyMatrix matrix) Initialize a new instance of the Hits class.
Hits(AdjacencyMatrix matrix, double epsilon) Initialize a new instance of the Hits class.

Method Summary

Modifier and Type	Method and Description
void	Compute(AdjacencyMatrix matrix) Compute Hits.
void	Compute(AdjacencyMatrix matrix, double[] weights) Compute Hits.
double[]	getAuthority() Get Authority.
double	getEpsilon() Get epsilon value.
double[]	getHubs() Get Hubs.
int	getNumberOfIterations() Get number of iterations executed by the algorithm.
void	setEpsilon(double epsilon) Set epsilon value.

Methods inherited from class java.lang.Object

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

Constructor Detail

Hits

public Hits(AdjacencyMatrix matrix)

Initialize a new instance of the Hits class.

Parameters:

matrix - Adjacency matrix.

Hits

public Hits(AdjacencyMatrix matrix,
            double epsilon)

Initialize a new instance of the Hits class.

Parameters:

matrix - Adjacency matrix.

epsilon - Epsilon value.

Method Detail

getEpsilon

public double getEpsilon()

Get epsilon value.

Returns:

Epsilon value.

setEpsilon

public void setEpsilon(double epsilon)

Set epsilon value. Epsilon value, is the stop criteria.

Parameters:

epsilon - Epsilon value.

getNumberOfIterations

public int getNumberOfIterations()

Get number of iterations executed by the algorithm.

Returns:

Number of iterations.

getAuthority

public double[] getAuthority()

Get Authority.

Returns:

Authority.

getHubs

public double[] getHubs()

Get Hubs.

Returns:

Hubs.

Compute

public void Compute(AdjacencyMatrix matrix)

Compute Hits.

Parameters:

matrix - Adjacency matrix.

Compute

public void Compute(AdjacencyMatrix matrix,
                    double[] weights)

Compute Hits.

Parameters:

matrix - Adjacency matrix.

weights - Normalized weights.[0..1]