org.aksw.fox.tools.re

Class AbstractRE

java.lang.Object

org.aksw.fox.tools.ATool

org.aksw.fox.tools.re.AbstractRE

All Implemented Interfaces:

Runnable, ITool, IRE

Direct Known Subclasses:

ABoaIndex, OcelotEN, PattyEN, StanfordREEN

public abstract class AbstractRE
extends ATool
implements IRE

Field Summary

Fields

Modifier and Type	Field and Description
protected org.aksw.simba.knowledgeextraction.commons.dbpedia.IDBpediaOntology	dbpediaOntology
protected Set<Entity>	entities
protected String	input
protected Set<Relation>	relations
protected org.aksw.simba.knowledgeextraction.commons.time.SimpleStopwatch	watch

Fields inherited from class org.aksw.fox.tools.ATool

cdl, cfgManager, LOG, versions

Constructor Summary

Constructors

Constructor and Description
AbstractRE()

Method Summary

Modifier and Type	Method and Description
protected abstract Set<Relation>	_extract(String text, List<Entity> entities)
protected boolean	checkDomainRange(String s, String p, String o) Checks domain and range of the given predicate.
Set<Relation>	extract() Extracts relations from the given text.
Set<Relation>	getResults() Returns results.
protected String	mapFoxTypesToDBpediaTypes(String foxType)
void	run()
protected Map<Integer,List<Entity>>	sentenceToEntities(Map<Integer,String> sentences, List<Entity> entities) Allocates the entities to sentences.
protected Map<Integer,Entity>	setEntityIDs(List<Entity> entities) Adds an id to each entity.
void	setInput(String input, Set<Entity> entities) Sets the input.

Methods inherited from class org.aksw.fox.tools.ATool

getToolName, getToolVersion, getToolVersion, setCountDownLatch

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.aksw.fox.tools.ITool

getToolName, getToolVersion, setCountDownLatch

Field Detail

dbpediaOntology

protected final org.aksw.simba.knowledgeextraction.commons.dbpedia.IDBpediaOntology dbpediaOntology

watch

protected final org.aksw.simba.knowledgeextraction.commons.time.SimpleStopwatch watch

relations

protected Set<Relation> relations

input

protected String input

entities

protected Set<Entity> entities

Constructor Detail

AbstractRE

public AbstractRE()

Method Detail

run

public void run()

Specified by:

run in interface Runnable

Specified by:

run in class ATool

extract

public Set<Relation> extract()

Description copied from interface: IRE

Extracts relations from the given text.

Specified by:

extract in interface IRE

Returns:

relations

_extract

protected abstract Set<Relation> _extract(String text,
                                          List<Entity> entities)

setInput

public void setInput(String input,
                     Set<Entity> entities)

Description copied from interface: IRE

Sets the input.

Specified by:

setInput in interface IRE

entities - entities in the text with types, labels and indices.

getResults

public Set<Relation> getResults()

Description copied from interface: IRE

Returns results.

Specified by:

getResults in interface IRE

Returns:

results

sentenceToEntities

protected Map<Integer,List<Entity>> sentenceToEntities(Map<Integer,String> sentences,
                                                       List<Entity> entities)

Allocates the entities to sentences. Updates the entities index! The updated index should be used just internally.

Parameters:

sentences - an index to sentence

the - entities in all sentences

Returns:

LinkedHashMap with the input index to a list of entities in a sentence.

setEntityIDs

protected Map<Integer,Entity> setEntityIDs(List<Entity> entities)

Adds an id to each entity.

Parameters:

entities -

Returns:

map with id to entity

checkDomainRange

protected boolean checkDomainRange(String s,
                                   String p,
                                   String o)

Checks domain and range of the given predicate.

Parameters:

s - domain e.g. http://dbpedia.org/ontology/Person

p - predicate http://dbpedia.org/ontology/spouse

o - range http://dbpedia.org/ontology/Person

Returns:

true, in case the given s and o are the domain and range of p

mapFoxTypesToDBpediaTypes

protected String mapFoxTypesToDBpediaTypes(String foxType)