edu.stanford.smi.protegex.owl.jena.rdf2owl
Class RDF2OWL

java.lang.Object
  edu.stanford.smi.protegex.owl.jena.rdf2owl.RDF2OWL

public class RDF2OWL

extends Object

A class that can convert pure RDF statements from a Model into corresponding OWL statements.

Author:

Holger Knublauch

Field Summary

private com.hp.hpl.jena.rdf.model.Model

model

Constructor Summary

RDF2OWL(com.hp.hpl.jena.rdf.model.Model model)

Method Summary

private void	convertProperties() Converts the properties to either owl:DatatypeProperties or owl:ObjectProperties.
private void	convertRDFSClasses() Converts all rdfs:Classes into owl:Classes
private void	convertRDFSResource() Converts all object occurances of rdfs:Resource with owl:Thing
private com.hp.hpl.jena.rdf.model.Resource	getPropertyType(com.hp.hpl.jena.rdf.model.Resource property) Attempts to find the most plausible RDF type for a given property.
private void	log(String message)
void	run()
private void	unifyRDFSVersion() Converts any statements containing old RDFS vocabulary to the official ones.
private void	unifyRDFSVersion(String ns)

Methods inherited from class java.lang.Object

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

Field Detail

model

private com.hp.hpl.jena.rdf.model.Model model

Constructor Detail

RDF2OWL

public RDF2OWL(com.hp.hpl.jena.rdf.model.Model model)

Method Detail

convertRDFSClasses

private void convertRDFSClasses()

Converts all rdfs:Classes into owl:Classes

convertProperties

private void convertProperties()

Converts the properties to either owl:DatatypeProperties or owl:ObjectProperties.

convertRDFSResource

private void convertRDFSResource()

Converts all object occurances of rdfs:Resource with owl:Thing

getPropertyType

private com.hp.hpl.jena.rdf.model.Resource getPropertyType(com.hp.hpl.jena.rdf.model.Resource property)

Attempts to find the most plausible RDF type for a given property.

Parameters:

property - the property to get the type of

Returns:

either owl:DatatypeProperty or owl:ObjectProperty

log

private void log(String message)

run

public void run()

unifyRDFSVersion

private void unifyRDFSVersion()

Converts any statements containing old RDFS vocabulary to the official ones.

unifyRDFSVersion

private void unifyRDFSVersion(String ns)