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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