Hello Srdja,
First of all, I guess that
rdfs_rule_set ('test, 'http://localhost:8890/DAV/test');
is cited incorrectly in the mail and it was actually
rdfs_rule_set ('test', 'http://localhost:8890/DAV/test');
Second issues is that subClassOf inference has sense only for rdf:type
predicate, like in the following example:
SQL> sparql insert in <g> { <s> a <http://example/values#Value2> };
callret-0
VARCHAR
_______________________________________________________________________________
Insert into <g>, 1 triples -- done
1 Rows. -- 6 msec.
SQL> sparql define input:inference "test8" SELECT * FROM <g> WHERE {?s
a ?t};
s t
VARCHAR VARCHAR
_______________________________________________________________________________
s http://example/values#Value2
s http://example/values#Value1
s http://example/values#Value0
3 Rows. -- 5 msec.
Best Regards,
Ivan Mikhailov,
OpenLink Software,
http://virtuoso.openlinksw.com
On Sat, 2008-09-06 at 19:24 +0200, S. Matovic wrote:
> Hello Ivan,
>
> thanks for your answer.
>
> I managed to get rdfs:subPropertyOf to work via a rdfs_sule_set but
> rdfs:subClasOf doesnt do.
>
> I used the conductor to create a folder and import this dataset:
>
> <rdf:RDF
> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
> xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#";>
>
> <rdfs:Class rdf:about="http://localhost/values#Value0";>
> </rdfs:Class>
>
> <rdfs:Class rdf:about="http://localhost/values#Value1";>
> <rdfs:subClassOf rdf:resource="http://localhost/values#Value0"/>
> </rdfs:Class>
>
> <rdfs:Class rdf:about="http://localhost/values#Value2";>
> <rdfs:subClassOf rdf:resource="http://localhost/values#Value1"/>
> </rdfs:Class>
>
> <rdfs:Class rdf:about="http://localhost/values#Value3";>
> <rdfs:subClassOf rdf:resource="http://localhost/values#Value2"/>
> </rdfs:Class>
>
> <rdfs:Class rdf:about="http://localhost/values#Value4";>
> <rdfs:subClassOf rdf:resource="http://localhost/values#Value3"/>
> </rdfs:Class>
>
> <rdfs:Class rdf:about="http://localhost/values#Value5";>
> <rdfs:subClassOf rdf:resource="http://localhost/values#Value4"/>
> </rdfs:Class>
>
> </rdf:RDF>
>
> Than the interactive sql console:
>
> rdfs_rule_set ('test, 'http://localhost:8890/DAV/test');
>
> sparql define input:inference "test"
> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
> SELECT * FROM <http://localhost:8890/DAV/test> WHERE {?s rdfs:subClassOf
> <http://localhost/values#Value0>}
>
>
> Result is only http://localhost/values#Value1 instead of Value1-5.
>
>
> Any hint what i did wrong?
>
> Best Regards,
> Srdja Matovic
>
>
> -------- Original-Nachricht --------
> > Datum: Wed, 30 Jul 2008 00:58:26 +0700
> > Von: Ivan Mikhailov <imikhai...@openlinksw.com>
> > An: s.mato...@gmx.net
> > CC: virtuoso-users@lists.sourceforge.net
> > Betreff: Re: [Virtuoso-users] Inference in Virtuoso 5.07 Sparql DAV Web
> > Service?
>
> > Hello Srdja,
> >
> > You can place any 'define param value' configuration options in
> > SH_DEFINES field of appropriate row of DB.DBA.SYS_SPARQL_HOST . In that
> > table, SH_HOST is a mask for hostname so the row will be used for any
> > HTTP request such that some name from 'Host:' HTTP header line is LIKE
> > SH_HOST, SH_GRAPH_URI is "default default graph" that is used if the
> > request does not specify default graph, SH_DEFINES is a string of
> > options that are inserted at the very beginning of any query before
> > execution.
> >
> > Best Regards,
> >
> > Ivan Mikhailov,
> > OpenLink Software.
> >
> > On Tue, 2008-07-29 at 13:26 +0200, s.mato...@gmx.net wrote:
> > > Heyho,
> > >
> > > i try to use Virtuosos preconfigured DAV Sparql Interface with
> > rdfs:subClassOf and rdfs:subPropertyOf Inference but i found only
> > documentation
> > about defining rulesets and using them in sparql queries.
> > >
> > > Is it possible to configure a SPARQL/SPARUL WebService with Inference?
> > >
> > > Thanks and Regards,
> > > Srdja Matovic
>
