Package de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.multisource.clustering

Class ClusterUtil

java.lang.Object

de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.multisource.clustering.ClusterUtil

public class ClusterUtil
extends Object

Helper class for adding and filtering correspondences based on cluster assignments.

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.slf4j.Logger	LOGGER

Constructor Summary

Constructors

Constructor	Description
ClusterUtil()

Method Summary

Modifier and Type	Method	Description
static <T> Alignment	addCorrespondencesMultiCluster(Alignment alignment, Map<String,Set<T>> uriToClusterId)	This function adds correspondences from the alignment where the source and target are in the same cluster.
static <T> Alignment	removeCorrespondences(Alignment alignment, Map<String,T> uriToClusterId)	This function removes correspondences from the alignment where the two matched entities are not in the same cluster.
static <T> Alignment	removeCorrespondencesMultiCluster(Alignment alignment, Map<String,Set<T>> uriToClusterId)	This function removes correspondences from the alignment where the two matched entities are not in the same cluster.

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

Constructor Details

ClusterUtil

public ClusterUtil()

Method Details

addCorrespondencesMultiCluster

public static <T> Alignment addCorrespondencesMultiCluster(Alignment alignment,
 Map<String,Set<T>> uriToClusterId)

This function adds correspondences from the alignment where the source and target are in the same cluster. It needs the mapping URI to set of cluster ids. The provided alignment is not modified.

Type Parameters:

T - the type of the cluster ID

Parameters:

alignment - the alignment

uriToClusterId - the mapping from uri to set of cluster ids

Returns:

the alignment with added correspondences

removeCorrespondences

public static <T> Alignment removeCorrespondences(Alignment alignment,
 Map<String,T> uriToClusterId)

This function removes correspondences from the alignment where the two matched entities are not in the same cluster. It needs the mapping URI to cluster id. The provided alignment is not modified.

Type Parameters:

T - the type of the cluster ID

Parameters:

alignment - the alignemnt to filter

uriToClusterId - the mapping from uri to cluster id

Returns:

the filtered alignment

removeCorrespondencesMultiCluster

public static <T> Alignment removeCorrespondencesMultiCluster(Alignment alignment,
 Map<String,Set<T>> uriToClusterId)

This function removes correspondences from the alignment where the two matched entities are not in the same cluster. It needs the mapping URI to set of cluster ids. The provided alignment is not modified.

Type Parameters:

T - the type of the cluster ID

Parameters:

alignment - the alignemnt to filter

uriToClusterId - the mapping from uri to set of cluster ids

Returns:

the filtered alignment