You are right, it worked! Thanks a lot Dave for the fast response and the valuable input.
Regards, Tasos ________________________________ Απο: Dave Reynolds <[email protected]> Προς: [email protected] Στάλθηκε: 2:35 μ.μ. Τρίτη, 15 Οκτωβρίου 2013 Θέμα: Re: Σχετ: Jena listDomain method Unions in OWL are represented as (anonymous) union classes. Since you are using the OntAPI then you can use OntClass's isUnionClass() to test for this then use asUnionClass() to get the convenience wrapper from which you can do things list listOperands(). Dave On 15/10/13 10:35, tasos martidis wrote: > Hi all, > > just an update. The method performs as it is supposed when we have multiple > domains after all. The problem is caused when the domain is an expression > such as: ClassA or ClassB. I will try to find how I can get the classes in > this case. > > Regards, > Tasos > > > > > ________________________________ > Απο: tasos martidis <[email protected]> > Προς: "[email protected]" <[email protected]> > Στάλθηκε: 11:16 π.μ. Τρίτη, 15 Οκτωβρίου 2013 > Θέμα: Jena listDomain method > > > Dear all, > > > I am working with Jena for a project in my university. I read an ontology > into an OntModel and I use Jena methods to retrieve information. > > The problemI face is, that when a property has multiple domains, the > listDomains method does not return the names of the OntClasses. It returns a > result such as : -26ae10e7:141bb413933:-7fbb. > > I use SPARQL to query my OntModel and the results are the same. I only guess > that this is an anonymous node and the multiple Classes that are domains, are > under this "-26ae10e7:141bb413933:-7fbb"? > > Can I get the names/URIs of the classes? > > I am sorry if this issue is discussed earlier, I searched the archive a bit, > but did not find anything similar. > > > Regards, > Tasos >
