I did something similar a while back.
This doesn't quite do what you want, but it may be close.
I compared inequivalent classes and such as well as super classes.
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
private boolean areEqual(OntClass thisOne, OntClass thatOne){
return areEqual(false, thisOne, thatOne);
}
private boolean areEqual(boolean deep, OntClass thisOne, OntClass thatOne){
if (thisOne.isUnionClass() && thatOne.isUnionClass()) {
return areEqual(thisOne.asUnionClass(), thatOne.asUnionClass());
} else if (thisOne.isIntersectionClass() &&
thatOne.isIntersectionClass()) {
return areEqual(thisOne.asIntersectionClass(),
thatOne.asIntersectionClass());
} else if (thisOne.isComplementClass() && thatOne.isComplementClass()) {
return areEqual(thisOne.asComplementClass(),
thatOne.asComplementClass());
} else if (thisOne.isRestriction() && thatOne.isRestriction()) {
return areEqual(thisOne.asRestriction(), thatOne.asRestriction());
} else if (thisOne.isURIResource() && thatOne.isURIResource()) {
// Both classes must have the same URI to be the same
if(!haveEqualURI(thisOne, thatOne))
return false;
if(deep){
// Must have the same Equivalent Classes
if(!areEqual(thisOne.listEquivalentClasses().toList(),
thatOne.listEquivalentClasses().toList()))
return false;
// Must have the same Superclasses
if(!areEqual(thisOne.listSuperClasses().toList(),
thatOne.listSuperClasses().toList()))
return false;
// Must have the same Disjoint Classes
if(!areEqual(thisOne.listDisjointWith().toList(),
thatOne.listDisjointWith().toList()))
return false;
}
return true;
}
return false;
}
private boolean haveEqualURI(OntResource thisURI, OntResource thatURI){
if(thisURI.isURIResource() && thatURI.isURIResource()){
if(thisURI.getLocalName().equals(thatURI.getLocalName())){
if(isMapped(thisURI.getNameSpace(), thatURI.getNameSpace())){
return true;
}
}
}
return false;
}
private boolean areEqual(OntProperty thisOne, OntProperty thatOne){
return areEqual(false, thisOne, thatOne);
}
private boolean areEqual(boolean deep, OntProperty thisOne,
OntProperty thatOne){
if(thisOne.isURIResource() && thatOne.isURIResource()){
// Both properties must have the same URI to be the same
if(!haveEqualURI(thisOne, thatOne))
return false;
if(deep){
if(thisOne.isDatatypeProperty() &&
!thatOne.isDatatypeProperty()) return false;
if(thisOne.isFunctionalProperty() &&
!thatOne.isFunctionalProperty()) return false;
if(thisOne.isInverseFunctionalProperty() &&
!thatOne.isInverseFunctionalProperty()) return false;
if(thisOne.isObjectProperty() &&
!thatOne.isObjectProperty()) return false;
if(thisOne.isSymmetricProperty() &&
!thatOne.isSymmetricProperty()) return false;
if(thisOne.isTransitiveProperty() &&
!thatOne.isTransitiveProperty()) return false;
if(!areEqual(thisOne.listRange().toList(),
thatOne.listRange().toList())) return false;
if(!areEqual(thisOne.listDomain().toList(),
thatOne.listDomain().toList())) return false;
if(!areEqual(thisOne.listSuperProperties(true).toList(),
thatOne.listSuperProperties(true).toList())) return false;
}
return true;
}
return false;
}
// This will catch UnionClass, IntersectionClass, and ComplementClass
private boolean areEqual(BooleanClassDescription thisOne,
BooleanClassDescription thatOne){
return areEqual(thisOne.listOperands().toList(),
thatOne.listOperands().toList());
}
private boolean areEqual(List<? extends OntResource> thisOne,
List<? extends OntResource> thatOne){
for(int i = 0; i < thisOne.size(); i++ ){
for(int j = 0; j < thatOne.size(); j++){
if(areEqual(thisOne.get(i), thatOne.get(j))){
thisOne.remove(i);
thatOne.remove(j);
i--;
break;
}
}
}
if(thisOne.size() == 0 && thatOne.size() == 0) return true;
return false;
}
private boolean areEqual(Restriction thisOne, Restriction thatOne){
// Same property for this restriction
if(!areEqual(thisOne.getOnProperty(), thatOne.getOnProperty()))
return false;
// Same restriction type and values
if (thisOne.isAllValuesFromRestriction() &&
thatOne.isAllValuesFromRestriction())
return
areEqual(thisOne.asAllValuesFromRestriction().getAllValuesFrom(),
thatOne.asAllValuesFromRestriction().getAllValuesFrom());
if (thisOne.isSomeValuesFromRestriction() &&
thatOne.isSomeValuesFromRestriction())
return
areEqual(thisOne.asSomeValuesFromRestriction().getSomeValuesFrom(),
thatOne.asSomeValuesFromRestriction().getSomeValuesFrom());
if (thisOne.isHasValueRestriction() && thatOne.isHasValueRestriction())
return
areEqual(thisOne.asHasValueRestriction().getHasValue(),
thatOne.asHasValueRestriction().getHasValue());
if (thisOne.isCardinalityRestriction() &&
thatOne.isCardinalityRestriction())
return thisOne.asCardinalityRestriction().getCardinality()
== thatOne.asCardinalityRestriction().getCardinality();
if (thisOne.isMaxCardinalityRestriction() &&
thatOne.isMaxCardinalityRestriction())
return
thisOne.asMaxCardinalityRestriction().getMaxCardinality() ==
thatOne.asMaxCardinalityRestriction().getMaxCardinality();
if (thisOne.isMinCardinalityRestriction() &&
thatOne.isMinCardinalityRestriction())
return
thisOne.asMinCardinalityRestriction().getMinCardinality() ==
thatOne.asMinCardinalityRestriction().getMinCardinality();
return false;
}
private boolean areEqual(RDFNode thisOne, RDFNode thatOne){
if(thisOne.isResource() && thatOne.isResource())
return areEqual(thisOne.asResource(), thatOne.asResource());
if(thisOne.isLiteral() && thatOne.isLiteral())
return areEqual(thisOne.asLiteral(), thatOne.asLiteral());
return false;
}
private boolean areEqual(Resource thisOne, Resource thatOne){
if(thisOne.canAs(OntClass.class) && thatOne.canAs(OntClass.class))
return areEqual(thisOne.as(OntClass.class),
thatOne.as(OntClass.class));
if(thisOne.canAs(OntProperty.class) && thatOne.canAs(OntProperty.class))
return areEqual(thisOne.as(OntProperty.class),
thatOne.as(OntProperty.class));
else
return thisOne.equals(thatOne);
}
private boolean areEqual(Literal thisOne, Literal thatOne){
return this.equals(thatOne);
}
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--
Mark Fischer
On Wed, Apr 3, 2013 at 12:23 PM, aarthi <aarthirajara...@gmail.com> wrote:
> hi... i need to compare two ontologies using jena... if i take two
> classes, each in a separate ontology. in order to say these two classes are
> structurally equivalent, i need to say all the super class for the 2
> classes we considered are similar.. can anyone help me for the code
>
>
> On Sat, Mar 30, 2013 at 8:24 AM, aarthi <aarthirajara...@gmail.com> wrote:
>
> > hi thanks.. it worked correctly. because i didn't add the jena files
> > correctly.sorry for that. and i need to retrieve the class and
> > properties names from an ontology. if i execute my previous code i
> > just got the triple format. is there anyway to store the class and
> > properties names in a separate file or in a database? if its possible
> > please guide me.....
> >
> >
> >
> >
> >
> >
> >
> >
> > On 3/30/13, Andy Seaborne <a...@apache.org> wrote:
> > > Which version of Jena is this?
> > >
> > > Jena doesn't use Apache commons logging (it did a long time ago, I
> > > think). For some libraries we use, there is a Apache commons logging
> > > dependency, which is met via jcl-over-slf4j in the POMs.
> > >
> > > But that's nowhere near PropertyImpl, which has a reference to SLF4J
> > > nowadays.
> > >
> > > Andy
> > >
> > > >>> Exception in thread "main" java.lang.NoClassDefFoundError:
> > > >>> org/apache/commons/logging/LogFactory
> > > >>> at
> > > >>>
> > com.hp.hpl.jena.rdf.model.impl.PropertyImpl.<clinit>(PropertyImpl.java
> > > >> :
> > > >>> 58)
> > >
> > >
> > > On 30/03/13 13:38, John A. Fereira wrote:
> > >> Specifically, you'll need to include the commons-logging jar file in
> > your
> > >> classpath. Typically that would mean specifying a directory which
> > >> includes that jar file as well as the jar files for the jena library
> and
> > >> any other dependency library. You'll probably also need to include
> one
> > >> for log4j or simple logging (slf4j) library.
> > >>
> > >>> -----Original Message-----
> > >>> From: Milorad Tosic [mailto:mbto...@yahoo.com]
> > >>> Sent: Saturday, March 30, 2013 9:07 AM
> > >>> To: aarthi; users
> > >>> Subject: Re:
> > >>>
> > >>> Looks like you need to include an additional library for
> > >>> org.apache.commons.logging.LogFactory class.
> > >>>
> > >>> Regards,
> > >>> Milorad
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>> ________________________________
> > >>>> From: aarthi <aarthirajara...@gmail.com>
> > >>>> To: Milorad Tosic <mbto...@yahoo.com>; users <users@jena.apache.org
> >
> > >>>> Sent: Saturday, March 30, 2013 1:56 PM
> > >>>> Subject:
> > >>>>
> > >>>> hi..
> > >>>> i'm doing my project with ontology. i need to retrieve the class
> > and
> > >>>> properties names in order to compare them for equality. to retrieve
> > >>> the
> > >>>> class an property names i'm using a java code. i have attached that
> > >>>> code with this mail. but i got some error, I don't know how to
> resolve
> > >>>> that. for that i had import com.hp.hpl.jena package. i dont get the
> > >>>> classpath files and javadoc files. is it enough if i add only the
> > >>>> source package? pls help me....
> > >>>>
> > >>>> this is my code:
> > >>>>
> > >>>>
> > >>>> //package testejena;
> > >>>> import com.hp.hpl.jena.ontology.OntClass;
> > >>>> import com.hp.hpl.jena.ontology.OntModel;
> > >>>> import com.hp.hpl.jena.ontology.OntModelSpec;
> > >>>> import com.hp.hpl.jena.rdf.model.ModelFactory;
> > >>>> import com.hp.hpl.jena.util.FileManager; import
> > >>>> com.hp.hpl.jena.util.iterator.ExtendedIterator;
> > >>>> import java.io.InputStream;
> > >>>> import java.util.Iterator;
> > >>>>PropertyImpl
> > >>>> public class testeProp {
> > >>>> static final String inputFileName = "newspaper.owl";
> > >>>> public static void main(String args[]) {
> > >>>> try {
> > >>>> //create the reasoning model using the base
> > >>>> OntModel inf =
> > >>>> ModelFactory.createOntologyModel(OntModelSpec.OWL_MEM);
> > >>>>
> > >>>> // use the FileManager to find the input file
> > >>>> InputStream in = FileManager.get().open(inputFileName);
> > >>>> if (in == null) {
> > >>>> throw new IllegalArgumentException("File: " +
> > >>>> inputFileName + " not found");
> > >>>> }
> > >>>>
> > >>>> inf.read(in, "");
> > >>>>
> > >>>> String URI =
> > >>>> "http://www.owl-ontologies.com/Ontology1363337688.owl#";;
> > >>>>
> > >>>> ExtendedIterator classes = inf.listClasses();
> > >>>> while (classes.hasNext()) {
> > >>>> OntClass essaClasse = (OntClass) classes.next();
> > >>>>
> > >>>> String vClasse =
> > essaClasse.getLocalName().toString();
> > >>>>
> > >>>> if (essaClasse.hasSubClass()) {
> > >>>> System.out.println("Classe: " + vClasse);
> > >>>> OntClass cla = inf.getOntClass(URI + vClasse);
> > >>>> for (Iterator i = cla.listSubClasses();
> > >>>> i.hasNext();) {
> > >>>> OntClass c = (OntClass) i.next();
> > >>>> System.out.print(" " + c.getLocalName()
> + "
> > >>> "
> > >>>> + "\n");
> > >>>> }
> > >>>> }
> > >>>> }
> > >>>> } catch (Exception e) {
> > >>>> System.out.println("there may be error");
> > >>>> System.out.println(e.getMessage());
> > >>>> }
> > >>>> }
> > >>>> }
> > >>>>
> > >>>>
> > >>>>
> ----------------------------------------------------------------------
> > >>> -
> > >>>> --------------------------- if i run my program i got the following
> > >>>> error:
> > >>>>
> > >>>>
> > >>>> Exception in thread "main" java.lang.NoClassDefFoundError:
> > >>>> org/apache/commons/logging/LogFactory
> > >>>> at
> > >>>>
> com.hp.hpl.jena.rdf.model.impl.PropertyImpl.<clinit>(PropertyImpl.java
> > >>> :
> > >>>> 58)
> > >>>> at
> > >>>>
> com.hp.hpl.jena.enhanced.BuiltinPersonalities.<clinit>(BuiltinPersonal
> > >>> i
> > >>>> ties.java:28)
> > >>>> at
> > >>>> com.hp.hpl.jena.rdf.model.impl.ModelCom.<init>(ModelCom.java:51)
> > >>>> at
> > >>>>
> com.hp.hpl.jena.rdf.model.ModelFactory.createDefaultModel(ModelFactory
> > >>> .
> > >>>> java:119)
> > >>>> at
> > >>>>
> com.hp.hpl.jena.rdf.model.ModelFactory.createDefaultModel(ModelFactory
> > >>> .
> > >>>> java:113)
> > >>>> at
> > >>>>
> com.hp.hpl.jena.rdf.model.impl.ModelSpecImpl.<clinit>(ModelSpecImpl.ja
> > >>> v
> > >>>> a:56)
> > >>>> at testeProp.main(testeProp.java:16) Caused by:
> > >>>> java.lang.ClassNotFoundException:
> > >>>> org.apache.commons.logging.LogFactory
> > >>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> > >>>> at java.security.AccessController.doPrivileged(Native
> Method)
> > >>>> at
> java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> > >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
> > >>>> at
> > >>>> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> > >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
> > >>>> ... 7 more
> > >>>> Java Result: 1
> > >>>> BUILD SUCCESSFUL (total time: 0 seconds)
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> please anyone help me...
> > >>>>
> > >>>>
> > >>>>
> > >>
> > >
> > >
> >
>
