On Mon, 2011-05-23 at 12:43 +0800, 朱曼 wrote:
> Hi list,
>
> In the following code, I try to create an ontology model with pellet,
> then I create an anonymous class which is complement to an existed
> class "Mother"(see details from the attached ontology test.owl), and I
> want to print "not Mother", but the results appear to be:
>
> not (Female) (Mother)
> not Female
>
If you try without a reasoner (use OntModelSpec.OWL_MEM) you will
probably get what you want.
Why Pellet is inferring the extra complementOf relation is hard to tell
without seeing the ontology.
Dave
> Are there convenient ways to print "not Mother" directly?
>
> ---------------------------------------------------------------------------------------------------------------------------------------
> OntModel m =
> ModelFactory.createOntologyModel(PelletReasonerFactory.THE_SPEC);
> m.read("test.owl");
> OntClass c = m.getOntClass(m.getNsPrefixURI("") + "Mother");
> OntClass newCls = m.createComplementClass(null, c);
> if (newCls.isComplementClass()) {
> System.out.print("not");
> for (ExtendedIterator<? extends OntClass> iter =
> newCls.asComplementClass().listOperands(); iter.hasNext(); )
> System.out.print(" (" + iter.next().getLocalName() +
> ") ");
> System.out.print("\nnot ");
>
> System.out.println(newCls.asComplementClass().getOperand().getLocalName());
>
> }
> ------------------------------------------------------------------------------------------------------------------------------------------
>
> All the best,
>
> June
