Package org.nlpub.watset.graph

Class MarkovClusteringExternal.Implementation<V,E>

java.lang.Object

org.nlpub.watset.graph.MarkovClusteringExternal.Implementation<V,E>

Type Parameters:

V - the type of nodes in the graph

E - the type of edges in the graph

Enclosing class:

MarkovClusteringExternal<V,E>

public static class MarkovClusteringExternal.Implementation<V,E>
extends Object

Actual implementation of the Markov Clustering wrapper.

Field Summary

Fields

Modifier and Type	Field	Description
protected org.jgrapht.Graph<V,E>	graph	The graph.
protected org.jgrapht.util.VertexToIntegerMapping<V>	mapping	The mapping of nodes to indices.
protected File	output	The output file.
protected Path	path	The path to the MCL binary.
protected double	r	The inflation parameter.
protected int	threads	The number of threads.

Constructor Summary

Constructors

Constructor	Description
Implementation(org.jgrapht.Graph<V,E> graph, Path path, double r, int threads)	Create an instance of the Markov Clustering algorithm wrapper implementation.

Method Summary

Modifier and Type	Method	Description
org.jgrapht.alg.interfaces.ClusteringAlgorithm.Clustering<V>	compute()	Perform clustering with Markov Clustering.
protected void	process()	Run the Markov Clustering binary and read its output.
protected File	writeInputFile()	Write the input file for the Markov Clustering binary.

Methods inherited from class java.lang.Object

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

Field Detail

graph

protected final org.jgrapht.Graph<V,E> graph

The graph.

path

protected final Path path

The path to the MCL binary.

r

protected final double r

The inflation parameter.

threads

protected final int threads

The number of threads.

mapping

protected final org.jgrapht.util.VertexToIntegerMapping<V> mapping

The mapping of nodes to indices.

output

protected File output

The output file.

Constructor Detail

Implementation

public Implementation(org.jgrapht.Graph<V,E> graph,
                      Path path,
                      double r,
                      int threads)

Create an instance of the Markov Clustering algorithm wrapper implementation.

Parameters:

graph - the graph

path - the path to the MCL binary

r - the inflation parameter

threads - the number of threads

Method Detail

compute

public org.jgrapht.alg.interfaces.ClusteringAlgorithm.Clustering<V> compute()

Perform clustering with Markov Clustering.

Returns:

the clustering

process

protected void process()
                throws IOException

Run the Markov Clustering binary and read its output.

Throws:

IOException - if an I/O error occurs

writeInputFile

protected File writeInputFile()
                       throws IOException

Write the input file for the Markov Clustering binary.

Returns:

the written input file for the Markov Clustering binary

Throws:

IOException - if an I/O error occurs