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[protege-owl] SPARQL & OWL

murali krishna coolmurali1220 at gmail.com
Sun Apr 11 13:30:02 PDT 2010


hello sir, i dont want any replies from u..so plese dont hesitate me by
sendinghe replies
s
On Sun, Apr 11, 2010 at 8:47 PM, Kendall Clark <kendall at clarkparsia.com>wrote:

> On Sun, Apr 11, 2010 at 3:06 PM,
> <protege-owl-request at lists.stanford.edu> wrote:
>
> > On Apr 10, 2010, at 5:52 AM, samn wrote:
> >
> >>
> >> Why I didn't get the inferred individuals when running SPARQL in
> Protege? Do
> >
> > Because SPARQL only operates on the underlying RDF structure.  It doesn't
> understand any of the semantics of OWL.
> >
> > If you search back through earlier posts you will see a fair bit of
> discussion about the limitations of using SPARQL as a query language for
> OWL.
> >
> > I suggest looking at SQWRL instead.
>
> It is increasingly less true that SPARQL doesn't understand OWL, at
> least in the context of Pellet. The new 2.1 release -- which also has
> Protege 4 and 4.1 plugin support -- takes account of OWL DL entailment
> regimes to do more than operate on the literal RDF structure. It also
> introduces a new syntax, Terp, which combines Turtle and Manchester so
> that it's much easier to write SPARQL queries for OWL now. See
> http://clarkparsia.com/weblog/2010/04/01/pellet21-terp/ for some
> examples.
>
> The next release will include some kind of Protege plugin support so
> that Terp can be used directly in Protege 4.1.
>
> Cheers,
> Kendall Clark
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