org.aksw.simba.bengal.selector

Class HybridTripleSelector

java.lang.Object

org.aksw.simba.bengal.selector.AbstractSelector

org.aksw.simba.bengal.selector.HybridTripleSelector

All Implemented Interfaces:

TripleSelector

public class HybridTripleSelector
extends AbstractSelector

This triple selector is a hybrid approach based on the SimpleSummarySelector and the PathBasedTripleSelector. It randomly selects whether it should follow the star or the path pattern to select the next statement that is added to the selected triples.

Author:

Michael Röder (roeder@informatik.uni-leipzig.de)

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	LOGGER
private int	maxSize
private int	minSize
private Random	r
private List<org.apache.jena.rdf.model.Resource>	resources
private Set<String>	sourceClasses

Constructor Summary

Constructors

Constructor and Description
HybridTripleSelector(Set<String> sourceClasses, Set<String> targetClasses, String endpoint, String graph) Constructor
HybridTripleSelector(Set<String> sourceClasses, Set<String> targetClasses, String endpoint, String graph, int minSize, int maxSize, long seed) Constructor

Method Summary

Modifier and Type	Method and Description
List<org.apache.jena.rdf.model.Statement>	getNextStatements() Returns the next set of statements generated by this selector

Methods inherited from class org.aksw.simba.bengal.selector.AbstractSelector

getCBD, getResources, getSummary, getSymmetricCBD, sortResources, sortResourcesByHash, sortStatements, sortStatements, sortStatementsByHash, sortStatementsByHash

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

sourceClasses

private Set<String> sourceClasses

resources

private List<org.apache.jena.rdf.model.Resource> resources

r

private Random r

minSize

private int minSize

maxSize

private int maxSize

Constructor Detail

HybridTripleSelector

public HybridTripleSelector(Set<String> sourceClasses,
                            Set<String> targetClasses,
                            String endpoint,
                            String graph,
                            int minSize,
                            int maxSize,
                            long seed)

Constructor

Parameters:

sourceClasses - Classes for subjects

targetClasses - Classes for objects

endpoint - SPARQL endpoint

graph - Graph to query (null if none)

minSize - Minimal size of summary

maxSize - Maximal size of summary

HybridTripleSelector

public HybridTripleSelector(Set<String> sourceClasses,
                            Set<String> targetClasses,
                            String endpoint,
                            String graph)

Constructor

Parameters:

sourceClasses - Classes for subjects

targetClasses - Classes for objects

endpoint - SPARQL endpoint

graph - Graph to query (null if none)

Method Detail

getNextStatements

public List<org.apache.jena.rdf.model.Statement> getNextStatements()

Returns the next set of statements generated by this selector

Returns:

Set of statements