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[protege-owl] Infering in Protégé 3.3.1 and query sparql

Zalba zalbazalba at
Fri Oct 31 09:46:08 PDT 2008

I'm sorry if I didn't use the standard notation.
Your translation is correct, but it doesn't work.
exported the ontology to format Turtle, I checked the result and I
couldn't file the inferred statement :John :member :Research

What I've to do?

----- Messaggio originale -----
Da: James Howison <james at>
A: User support for the Protege-OWL editor <protege-owl at>
Inviato: Venerdì 31 ottobre 2008, 17:20:17
Oggetto: Re: [protege-owl] Infering in Protégé 3.3.1 and query sparql

On 31 Oct 2008, at 12:05 PM, Zalba wrote:

> Hi, I'm using Protégé 3.3.1 with the reasoner Pellet.
> I created an ontology with classes istance  of rdfs:Class, because I  
> need to work only with RDF/RDFS without OWL.
> How can I infer new concept?
> For example I have
> director is a subProperty of member.

> and
> John  (istance of Person)
> director (property)
> Research (istance of Department)

> I've to infer:
> John
> member
> Research

Or, in Turtle:

@prefix : <> .

:John rdf:type :Person .

:Research rdf:type :Department .

:John :director :Research .

:director rdfs:subPropertyOf :member .

So you expect to infer the statement:

:John :member :Research .

> I ask this because If I make a simple Query SPARQL like this
> PREFIX uri: <>
> WHERE { uri:John ?x ?object }
> the result is only "director" and not "member" too.
> How can I do?

If I've translated from your notation to standard notation correctly I  
think you should be able to apply a reasoner (Pellet) and you should  
get that result.  That's assuming the SPARQL tab works with the  
inferred as well as the asserted statements.

If that doesn't work, try saving your ontology as Turtle and checking  
the statements.


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