org.aksw.simba.bengal.verbalizer

Class AvatarVerbalizer

java.lang.Object

org.aksw.simba.bengal.verbalizer.AvatarVerbalizer

All Implemented Interfaces:

Comparator<String>

public class AvatarVerbalizer
extends Object
implements Comparator<String>

Field Summary

Fields

Modifier and Type	Field and Description
private static String	CACHE_DIRECTORY
private static long	CACHE_TIME_TO_LIVE The lifetime of the cache.
private static int	DELAY The delay that the system will have between sending two queries.
private static org.slf4j.Logger	LOGGER
protected org.aksw.jena_sparql_api.core.QueryExecutionFactory	qef
private Random	r
private List<org.apache.jena.rdf.model.Resource>	resources
private Set<String>	sourceClasses
private Set<String>	targetClasses
private IRIConverter	uriConverter
private boolean	useSymmetricCbd
protected Verbalizer	verbalizer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AvatarVerbalizer(Set<String> sourceClasses, Set<String> targetClasses, String endpoint, String graph, long seed, boolean useSymmetricCbd, org.aksw.jena_sparql_api.core.QueryExecutionFactory qef)

Method Summary

Modifier and Type	Method and Description
int	compare(String s1, String s2) Sorts Named entities descending by their length.
static AvatarVerbalizer	create(Set<String> sourceClasses, Set<String> targetClasses, String endpoint, String graph, long seed, boolean useSymmetricCbd)
protected List<org.apache.jena.rdf.model.Statement>	getCBD(org.apache.jena.rdf.model.Resource res, Set<String> targetClasses) Returns list of triples for a given resource and data source
private String	getEnglishLabel(String resource)
private Map<String,String>	getLabelsForResources(List<org.apache.jena.rdf.model.Statement> statements)
protected List<org.apache.jena.rdf.model.Resource>	getResources(Set<String> classes) Get all resources that belong to the union of classes and sort them by URI in desceding order
protected List<org.apache.jena.rdf.model.Statement>	getSymmetricCBD(org.apache.jena.rdf.model.Resource res, Set<String> targetClasses) Returns list of triples for a given resource and data source
protected List<org.apache.jena.rdf.model.Statement>	getTriples(org.apache.jena.rdf.model.Resource r) Gets a set of statements that summarize a resource r
protected static org.aksw.jena_sparql_api.core.QueryExecutionFactory	initQueryExecution(String endpoint, String graph, String cacheDirectory)
org.aksw.gerbil.transfer.nif.Document	nextDocument()
protected void	sortResources(List<org.apache.jena.rdf.model.Resource> resources)
protected List<org.apache.jena.rdf.model.Statement>	sortStatements(Set<org.apache.jena.rdf.model.Statement> statements)
protected List<org.apache.jena.rdf.model.Statement>	sortStatements(org.apache.jena.rdf.model.StmtIterator stmtIterator)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

DELAY

private static final int DELAY

The delay that the system will have between sending two queries.

See Also:

Constant Field Values

CACHE_TIME_TO_LIVE

private static final long CACHE_TIME_TO_LIVE

The lifetime of the cache.

See Also:

Constant Field Values

CACHE_DIRECTORY

private static final String CACHE_DIRECTORY

See Also:

Constant Field Values

targetClasses

private Set<String> targetClasses

useSymmetricCbd

private boolean useSymmetricCbd

sourceClasses

private Set<String> sourceClasses

resources

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

r

private Random r

uriConverter

private IRIConverter uriConverter

verbalizer

protected Verbalizer verbalizer

qef

protected org.aksw.jena_sparql_api.core.QueryExecutionFactory qef

Constructor Detail

AvatarVerbalizer

protected AvatarVerbalizer(Set<String> sourceClasses,
                           Set<String> targetClasses,
                           String endpoint,
                           String graph,
                           long seed,
                           boolean useSymmetricCbd,
                           org.aksw.jena_sparql_api.core.QueryExecutionFactory qef)

Method Detail

create

public static AvatarVerbalizer create(Set<String> sourceClasses,
                                      Set<String> targetClasses,
                                      String endpoint,
                                      String graph,
                                      long seed,
                                      boolean useSymmetricCbd)

getSymmetricCBD

protected List<org.apache.jena.rdf.model.Statement> getSymmetricCBD(org.apache.jena.rdf.model.Resource res,
                                                                    Set<String> targetClasses)

Returns list of triples for a given resource and data source

Parameters:

res -

targetClasses -

Returns:

CBD of res

getCBD

protected List<org.apache.jena.rdf.model.Statement> getCBD(org.apache.jena.rdf.model.Resource res,
                                                           Set<String> targetClasses)

Returns list of triples for a given resource and data source

Parameters:

res -

targetClasses -

Returns:

CBD of res

sortStatements

protected List<org.apache.jena.rdf.model.Statement> sortStatements(org.apache.jena.rdf.model.StmtIterator stmtIterator)

sortStatements

protected List<org.apache.jena.rdf.model.Statement> sortStatements(Set<org.apache.jena.rdf.model.Statement> statements)

getResources

protected List<org.apache.jena.rdf.model.Resource> getResources(Set<String> classes)

Get all resources that belong to the union of classes and sort them by URI in desceding order

Parameters:

classes - Set of classes for resources

Returns:

Sorted list of resources from the classes

sortResources

protected void sortResources(List<org.apache.jena.rdf.model.Resource> resources)

getTriples

protected List<org.apache.jena.rdf.model.Statement> getTriples(org.apache.jena.rdf.model.Resource r)

Gets a set of statements that summarize a resource r

Parameters:

r - A resource

Returns:

Summary (some CBD)

nextDocument

public org.aksw.gerbil.transfer.nif.Document nextDocument()

getLabelsForResources

private Map<String,String> getLabelsForResources(List<org.apache.jena.rdf.model.Statement> statements)

getEnglishLabel

private String getEnglishLabel(String resource)

compare

public int compare(String s1,
                   String s2)

Sorts Named entities descending by their length.

Specified by:

compare in interface Comparator<String>

initQueryExecution

protected static org.aksw.jena_sparql_api.core.QueryExecutionFactory initQueryExecution(String endpoint,
                                                                                        String graph,
                                                                                        String cacheDirectory)
                                                                                 throws ClassNotFoundException,
                                                                                        SQLException

Throws:

ClassNotFoundException

SQLException