org.apache.nutch.ontology.jena
Class OntologyImpl

java.lang.Object
  org.apache.nutch.ontology.jena.OntologyImpl

All Implemented Interfaces:

Ontology, Pluggable

public class OntologyImpl
extends Object
implements Ontology

this class wraps about a model, built from a list of ontologies, uses HP's Jena

Author:

michael j pan

Field Summary

static String	DELIMITER_SEARCHTERM
static org.apache.commons.logging.Log	LOG

Fields inherited from interface org.apache.nutch.ontology.Ontology

X_POINT_ID

Constructor Summary

OntologyImpl()

Method Summary

static void	addSearchTerm(String label, com.hp.hpl.jena.ontology.OntResource resource)
static Ontology	getInstance()
static com.hp.hpl.jena.ontology.OntModel	getModel()
static Parser	getParser()
protected static void	indent(PrintStream out, int depth)
void	load(String[] urls)
static void	main(String[] args)
protected static void	renderAnonymous(PrintStream out, com.hp.hpl.jena.rdf.model.Resource anon, String name)
static void	renderClassDescription(PrintStream out, com.hp.hpl.jena.ontology.OntClass c, int depth)
protected static void	renderHierarchy(PrintStream out, com.hp.hpl.jena.ontology.OntClass cls, List occurs, int depth)
protected static void	renderRestriction(PrintStream out, com.hp.hpl.jena.ontology.Restriction r)
protected static void	renderURI(PrintStream out, com.hp.hpl.jena.shared.PrefixMapping prefixes, String uri)
static Map	retrieve(String label)
Iterator	subclasses(String entitySearchTerm) retrieve all subclasses of entity(ies) hashed to searchTerm
Iterator	synonyms(String queryKeyPhrase) retrieves synonyms from wordnet via sweet's web interface

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

DELIMITER_SEARCHTERM

public static final String DELIMITER_SEARCHTERM

See Also:

Constant Field Values

Constructor Detail

OntologyImpl

public OntologyImpl()

Method Detail

getInstance

public static Ontology getInstance()

load

public void load(String[] urls)

Specified by:

load in interface Ontology

getParser

public static Parser getParser()

getModel

public static com.hp.hpl.jena.ontology.OntModel getModel()

subclasses

public Iterator subclasses(String entitySearchTerm)

retrieve all subclasses of entity(ies) hashed to searchTerm

Specified by:

subclasses in interface Ontology

synonyms

public Iterator synonyms(String queryKeyPhrase)

retrieves synonyms from wordnet via sweet's web interface

Specified by:

synonyms in interface Ontology

addSearchTerm

public static void addSearchTerm(String label,
                                 com.hp.hpl.jena.ontology.OntResource resource)

retrieve

public static Map retrieve(String label)

renderHierarchy

protected static void renderHierarchy(PrintStream out,
                                      com.hp.hpl.jena.ontology.OntClass cls,
                                      List occurs,
                                      int depth)

renderClassDescription

public static void renderClassDescription(PrintStream out,
                                          com.hp.hpl.jena.ontology.OntClass c,
                                          int depth)

renderRestriction

protected static void renderRestriction(PrintStream out,
                                        com.hp.hpl.jena.ontology.Restriction r)

renderURI

protected static void renderURI(PrintStream out,
                                com.hp.hpl.jena.shared.PrefixMapping prefixes,
                                String uri)

renderAnonymous

protected static void renderAnonymous(PrintStream out,
                                      com.hp.hpl.jena.rdf.model.Resource anon,
                                      String name)

indent

protected static void indent(PrintStream out,
                             int depth)

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception