Package de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.external.babelnet

Class BabelNetKnowledgeSource

java.lang.Object

de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.external.SemanticWordRelationDictionary

de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.external.babelnet.BabelNetKnowledgeSource

All Implemented Interfaces:

ExternalResource, ExternalResourceWithHypernymCapability, ExternalResourceWithSynonymCapability, HypernymCapability, SynonymCapability

public class BabelNetKnowledgeSource
extends SemanticWordRelationDictionary

A dictionary that will use BabelNet offline indices.

Field Summary

Fields

Modifier and Type	Field	Description
private static it.uniroma1.lcl.babelnet.BabelNet	babelNet
private ConcurrentMap<String,HashSet<String>>	hypernymyBuffer	Buffer for hypernyms.
private BabelNetLinker	linker	Local linker.
private static final org.slf4j.Logger	LOGGER
private PersistenceService	persistenceService	Local persistence service.
private ConcurrentMap<String,HashSet<String>>	synonymBuffer	Buffer for synonyms.

Constructor Summary

Constructors

Constructor	Description
BabelNetKnowledgeSource()	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()	Closing open resources.
private void	commit(PersistenceService.PreconfiguredPersistences persistence)
HashSet<String>	getHypernyms(String linkedConcept)	Retrieves a set of hypernyms independently of the word sense.
LabelToConceptLinker	getLinker()	Returns the linker instance for this particular resource.
String	getName()	Obtain the name of the resource.
Set<String>	getSynonymsLexical(String linkedConcept)	The synonyms will be only looked up in the English BabelNet.
private void	initializeBuffers()	Initializes local database
boolean	isInDictionary(String word)	The word will be only looked up in the English BabelNet.
String	normalize(String stringToBeNormalized)	Normalizes string for this particular dictionary.

Methods inherited from class de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.external.SemanticWordRelationDictionary

isHypernym, isHypernym, isHypernymous, isStrongFormSynonymous, isSynonymous, isSynonymousOrHypernymous

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

babelNet

private static it.uniroma1.lcl.babelnet.BabelNet babelNet

synonymBuffer

private ConcurrentMap<String,HashSet<String>> synonymBuffer

Buffer for synonyms.

hypernymyBuffer

private ConcurrentMap<String,HashSet<String>> hypernymyBuffer

Buffer for hypernyms.

persistenceService

private PersistenceService persistenceService

Local persistence service.

linker

private BabelNetLinker linker

Local linker.

Constructor Details

BabelNetKnowledgeSource

public BabelNetKnowledgeSource()

Constructor. Make sure that the indices are available offline and that the project is configured correctly.

Method Details

initializeBuffers

private void initializeBuffers()

Initializes local database

isInDictionary

public boolean isInDictionary(String word)

The word will be only looked up in the English BabelNet.

Parameters:

word - The word to be looked for.

Returns:

true if word found, else false.

getSynonymsLexical

public Set<String> getSynonymsLexical(String linkedConcept)

The synonyms will be only looked up in the English BabelNet.

Specified by:

getSynonymsLexical in interface SynonymCapability

Specified by:

getSynonymsLexical in class SemanticWordRelationDictionary

Parameters:

linkedConcept - The word for which synonyms shall be retrieved.

Returns:

Set with Synonyms.

getHypernyms

public HashSet<String> getHypernyms(String linkedConcept)

Description copied from class: SemanticWordRelationDictionary

Retrieves a set of hypernyms independently of the word sense. The assumed language is English.

Specified by:

getHypernyms in class SemanticWordRelationDictionary

Parameters:

linkedConcept - The linked concept for which hypernyms shall be retrieved.

Returns:

A set of linked concepts.

close

public void close()

Description copied from class: SemanticWordRelationDictionary

Closing open resources.

Specified by:

close in class SemanticWordRelationDictionary

commit

private void commit(PersistenceService.PreconfiguredPersistences persistence)

normalize

public String normalize(String stringToBeNormalized)

Normalizes string for this particular dictionary.

Parameters:

stringToBeNormalized - String that shall be normalized.

Returns:

Normalized String.

getLinker

public LabelToConceptLinker getLinker()

Description copied from interface: ExternalResource

Returns the linker instance for this particular resource.

Specified by:

getLinker in interface ExternalResource

Specified by:

getLinker in class SemanticWordRelationDictionary

Returns:

The specific linker used to link words to concepts.

getName

public String getName()

Description copied from interface: ExternalResource

Obtain the name of the resource.

Specified by:

getName in interface ExternalResource

Specified by:

getName in class SemanticWordRelationDictionary

Returns:

Name of the resource.