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https://issues.apache.org/jira/browse/JENA-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17163540#comment-17163540
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Amir Hooshmand edited comment on JENA-1938 at 7/23/20, 12:58 PM:
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That works, however in future if we want to introduce a new API hopefully for
OWL2, we may consider differentiating between OWL2 Full and other restricted
versions, in which we are not allowed to use RDFS:Class as an OWL:Class.
For now, all good, I could solve the problem (if we can call it so) with the
following code-snippet. So, I am going to close the issue.
Thanks for the clarifications.
{code:java}
ResIterator resIterator = baseModel.listResourcesWithProperty(RDF.type,
RDFS.Class);
while (resIterator.hasNext()) {
Resource resource = resIterator.nextResource();
resource.addProperty(RDF.type, OWL.Class);
}{code}
was (Author: ahoo):
That works, however in future if we want to introduce a new API hopefully for
OWL2, we may consider differentiating between OWL2 Full and other restricted
versions, in which we are not allowed to use RDFS:Class as an OWL:Class.
For now, all good, I could solve the problem (if we can call it so) with the
following code-snippet. So, I am going to close the issue.
Thanks for the clarifications.
{code:java}
ResIterator resIterator = baseModel.listResourcesWithProperty(RDF.type,
RDFS.Class);
while (resIterator.hasNext()) {
Resource resource = resIterator.nextResource();
resource.addProperty(RDF.type, OWL.Class);
}{code}
> OntClass query does not return classes that are of type RDFS.Class
> ------------------------------------------------------------------
>
> Key: JENA-1938
> URL: https://issues.apache.org/jira/browse/JENA-1938
> Project: Apache Jena
> Issue Type: Bug
> Components: Ontology API
> Affects Versions: Jena 3.16.0
> Reporter: Amir Hooshmand
> Priority: Major
> Labels: easyfix, ready-to-commit
>
> Team,
> There is a bug in the Ontology API; the OntClass query does not return
> classes that are RDFS.Class. You receive only OWL.Class and OWL.Restriction
> classes
> There are two functions affected due to this bug (to my best knowledge);
> * ontClass.listNamedClasses();
> * ontClass.listClasses();
> The Bug is in "org.apache.jena.ontology.impl" in
> * OWLProfile Class,
> * method getClassDescriptionTypes()
> * in Line 218
> My suggestion to fix the bug:
> * add <<< RDFS.Class >>> to the ArrayList.
>
> Thanks
> Amir
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