Hi Lorenz, so it means these three classes can not be replaced using
setOntClass?
On Fri, Jan 27, 2017 at 9:00 PM, Lorenz Buehmann <
buehm...@informatik.uni-leipzig.de> wrote:
> setOntClass does not replace classes that follow from rules byinference
> - this should be clear.I mean, how should this work? As long as the
> rules are used for inference and the data matches the body of the rules,
> the head will be added.
>
>
> On 27.01.2017 15:28, tina sani wrote:
> > My individual employee is a type of Technical, Manager and Programmer. I
> > want to replace all these classes with only one class Worker. I used the
> > following code, it supposed to replace it but it does not.
> > All these classes are defined in the code.
> >
> > if ((employee.hasOntClass(technical)) &&
> > (employee.hasOntClass(programmer)) && (employee.hasOntClass(manager)))
> > {
> > employee.setOntClass(worker);
> > JOptionPane.showMessageDialog(null, "here are the three classes");
> > }
> >
> > Though it display the message in the Dialog.
> >
> > On Fri, Jan 27, 2017 at 12:57 PM, Lorenz B. <
> > buehm...@informatik.uni-leipzig.de> wrote:
> >
> >> Why should a method called "listOntClasses" just return a single class?
> >> The usage of the plural form should be clear enough. And Javadoc Javadoc
> >> Javadoc,...
> >>> Dave, I have read some where that Individual#listOntClasses will only
> >> list
> >>> one class at one time.
> >>>
> >>> And yes employee is individual and programmer, manager and worker are
> >> class
> >>> variables.
> >>>
> >>> On Fri, Jan 27, 2017 at 12:23 AM, Dave Reynolds <
> >> dave.e.reyno...@gmail.com>
> >>> wrote:
> >>>
> >>>> On 26/01/2017 21:08, tina sani wrote:
> >>>>
> >>>>> Hi Dave, Will this work?
> >>>>>
> >>>>> if ((employee1.hasOntClass(programmer)) &&
> >>>>> ((employee1.hasOntClass(manager)) &&((employee1.hasOntClass(worker))
> >>>>> {
> >>>>>
> >>>>> }
> >>>>>
> >>>> Try it and see!
> >>>>
> >>>> There's not enough there for us to tell for sure. If the variable
> >>>> employee1 is an Individual and if variables programmer, manager and
> >> worker
> >>>> are all Resources correctly corresponding to your classes then that
> will
> >>>> test if that Individual has all three of those classes in the model
> >>>> (whether asserted or inferred by rules).
> >>>>
> >>>> To add to my earlier answer, if you have an Individual rather than
> just
> >>>> and OntResource then Individual#listOntClasses will enable you to
> >> enumerate
> >>>> the classes conveniently.
> >>>>
> >>>> Dave
> >>>>
> >>>>
> >>>> On Thu, Jan 26, 2017 at 11:32 PM, Dave Reynolds <
> >> dave.e.reyno...@gmail.com
> >>>>> wrote:
> >>>>>
> >>>>> On 26/01/2017 15:20, tina sani wrote:
> >>>>>> How can I get all the classes of which an individual is a type?
> After
> >>>>>>> Jena
> >>>>>>> rules executed, my individual has multiple class like:
> >>>>>>> Employee001 is of type: Worker, Programmer, Manager.
> >>>>>>>
> >>>>>>> So can I get all these three classes in Jena ? I have read
> somewhere
> >>>>>>> that
> >>>>>>> getOntClass() only return one class at a time and that is on random
> >>>>>>> basis.
> >>>>>>>
> >>>>>>> See OntResource#listRDFTypes or, if you just have a Resource then
> >>>>>>>
> >>>>>> Resource#listProperties(RDF.type) or, as Charles says, use SPARQL.
> >>>>>>
> >>>>>> Dave
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> ---
> >>>>>> This email has been checked for viruses by Avast antivirus software.
> >>>>>> https://www.avast.com/antivirus
> >>>>>>
> >>>>>>
> >>>>>>
> >>>> ---
> >>>> This email has been checked for viruses by Avast antivirus software.
> >>>> https://www.avast.com/antivirus
> >>>>
> >>>>
> >> --
> >> Lorenz Bühmann
> >> AKSW group, University of Leipzig
> >> Group: http://aksw.org - semantic web research center
> >>
> >>
>
>
