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Message-ID: <51B18263.1070009@xup.nl>
Date: Fri, 07 Jun 2013 08:49:07 +0200
From: Minto van der Sluis <minto@xup.nl>
Organization: Xup BV
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To: dev@stanbol.apache.org
CC: Rupert Westenthaler <rupert.westenthaler@gmail.com>,
        dev@clerezza.apache.org, mgarg@innodata.com
Subject: Re: Fwd: issue in integrating relfinder with stanbol
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Hi,

Isn't the count function SPARQL 1.1?

Currently the released version of Clerezza supports only SPARQL 1.0.
However the current snapshot version (trunk) has support for SPARQL 1.1.
When will this be released? Unfortunately I don't know.

Regards,

misl

Op 7-6-2013 8:23, Rupert Westenthaler schreef:
> 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 <mgarg@innodata.com> 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             rupert.westenthaler@gmail.com
> | Bodenlehenstraße 11                             ++43-699-11108907
> | A-5500 Bischofshofen
>
>