Hi Rupert
Ok i got it that Clerezza does't support the count function. Then what
about the regex function in the following query (generated by relfinder).
SELECT ?s ?l WHERE { ?s <http://www.w3.org/2000/01/rdf-schema#label>
?l .FILTER
regex(?l, 'india', 'i').FILTER (lang(?l) = '' || langMatches(lang(?l),
'en')).} LIMIT 20
When this query is fired on stanbol sparql endpoint then it won't return
any result but data for this query is present there.
if i modify this query little by replacing regex(?l, 'india', 'i') as
regex(str(?l), 'india', 'i') and then fired it it will return the desired
result.
What happen in this query. Does Clerezza not support this query?
Regards,
Manish Garg
On Fri, Jun 7, 2013 at 11:53 AM, Rupert Westenthaler <
[email protected]> wrote:
> Hi Manish,
>
> Stanbol uses the Clerezza SPARQL implementation. Therefore questions
> related to SAPRQL query support are better targeted to the Clerezza
> community.
>
> But AFAIK count is not supported by the SAPRQL standard, but an
> extension supported by some SPARQL implementations (e.g. Jena) so most
> likely this is simple because Clerezza does not support it.
>
> best
> Rupert
>
> On Thu, Jun 6, 2013 at 4:23 PM, Garg, Manish <[email protected]> wrote:
> > HI Team
> >
> > we are trying to integrate relfinder with stanbol. We have pointed it to
> > stanbol SPARQL endpoint setup locally.
> >
> > We are facing some issues which are explained below. If you could please
> > provide some inputs on resolving these issues, will be a great help.
> >
> > When i search for entity "India" in relfinder, it doesnt return any
> > results. It creates a query which is mentioned below
> > SELECT ?s ?l WHERE { ?s <http://www.w3.org/2000/01/rdf-schema#label>
> > ?l .FILTER
> > regex(?l, 'india', 'i').FILTER (lang(?l) = '' || langMatches(lang(?l),
> > 'en')).} LIMIT 20
> >
> > but data is present there in stanbol.
> >
> > If we modify the query a little as highlighted below
> >
> > SELECT ?s ?l WHERE { ?s <http://www.w3.org/2000/01/rdf-schema#label>
> > ?l .FILTER
> > regex(str(?l), 'india', 'i').FILTER (lang(?l) = '' ||
> langMatches(lang(?l),
> > 'en')).} LIMIT 20
> >
> > and execute it on stanbol SPARQL endpoint directly, then it returns the
> > desired data.
> >
> > The other problem we are facing that stanbol sparql enpoint doesn't
> support
> > count function in SPARQL query. When i try to execute the query formed by
> > relfinder for dbpedia on stanbol sparql endpoint then it shows "invalid
> > query"
> >
> > SELECT ?s ?l count(?s) as ?count WHERE {?someobj ?p ?s . ?s <
> > http://www.w3.org/2000/01/rdf-schema#label> ?l .?l bif:contains
> "'india'" .
> > FILTER (!regex(str(?s),
> > ^http://dbpedia.org/resource/ategory:')<
> http://dbpedia.org/resource/Category:')>
> > ).FILTER (!regex(str(?s), '^http://dbpedia.org/resource/List')).FILTER
> > (!regex(str(?s), '^http://sw.opencyc.org/')).FILTER (lang(?l) = '' ||
> > langMatches(lang(?l), en')).FILTER (!isLiteral(?someobj)). }ORDER BY
> > DESC(?count) LIMIT 20
> >
> > but when i remove count function then it executes.
> >
> > Any help in this regard will be appreciated.
> >
> >
> > --
> >
> > Regards****
> >
> > Manish Garg
> >
> > --
> >
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>
>
> --
> | Rupert Westenthaler [email protected]
> | Bodenlehenstraße 11 ++43-699-11108907
> | A-5500 Bischofshofen
>
--
Regards****
Manish Garg
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