[Pellet-users] Problem with listSubProperties()

[Evren Sirin]

This seems to be a bug in the Jena interface of Pellet. I recorded this 
problem in the issue tracker [1]. Thanks for reporting the bug.

Cheers,
Evren

[1] http://cvsdude.com/trac/clark-parsia/pellet-devel/ticket/99

On 2/10/08 9:58 AM, saurabh kejriwal wrote:
>  Hi,
>   
> I am using Pellet with Jena api. I am using standard Wine Ontology.
>
> Owl fragment:
> ------------
>
>   <owl:FunctionalProperty rdf:about="#hasBody">
>     <rdf:type rdf:resource="&owl;ObjectProperty"/>
>     <rdfs:range rdf:resource="#WineBody"/>
>     <rdfs:subPropertyOf rdf:resource="#hasWineDescriptor"/>
>   </owl:FunctionalProperty>
>
>   <owl:FunctionalProperty rdf:about="#hasColor">
>     <rdf:type rdf:resource="&owl;ObjectProperty"/>
>     <rdfs:domain rdf:resource="#Wine"/>
>     <rdfs:range rdf:resource="#WineColor"/>
>     <rdfs:subPropertyOf rdf:resource="#hasWineDescriptor"/>
>   </owl:FunctionalProperty>
>
>   <owl:FunctionalProperty rdf:about="#hasFlavor">
>     <rdf:type rdf:resource="&owl;ObjectProperty"/>
>     <rdfs:range rdf:resource="#WineFlavor"/>
>     <rdfs:subPropertyOf
>  rdf:resource="#hasWineDescriptor"/>
>   </owl:FunctionalProperty>
>
>   <owl:FunctionalProperty rdf:about="#hasSugar">
>     <rdf:type rdf:resource="&owl;ObjectProperty"/>
>     <rdfs:range rdf:resource="#WineSugar"/>
>     <rdfs:subPropertyOf rdf:resource="#hasWineDescriptor"/>
>   </owl:FunctionalProperty>
>
>  When I am using the Pellet Reasoner--
>
>  m = ModelFactory.createOntologyModel(PelletReasonerFactory.THE_SPEC);
>
>  and the following code for getting the sub property of hasWineDescriptor....
>
> OntProperty p = m.getOntProperty("http://www.w3.org/2001/sw/WebOnt/guide-src/wine#hasWineDescrip\
>
> tor <http://www.w3.org/2001/sw/WebOnt/guide-src/wine#hasWineDescriptor>");
>
>  ExtendedIterator j = p.listSubProperties(true);
>
>  while(j.hasNext())
>  {
>  OntProperty p2 = (OntProperty)j.next();
>  System.out.println(p2);
>  }
>
>  I am getting no result for direct
>  subproperties of hasWineDescriptor.
>  But there are four direct subproperties of hasWineDescriptor property.
> 1. hasBody
> 2. hasColor
> 3. hasFlavor
> 4. hasSugar
>
> Regards
> Saurabh Kejriwal
>
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