Hi Jörn,
Thank you for the reply. I do think RDFlib is being used professionally;
that means that learning and creating come together.
e.g. I am analyzing a customer data set and want to extract the customers
that exist exact twice in the set.
I query:
SELECT ?naam (COUNT(?naam) as ?count)
WHERE {
?sfg_cust local:Klantnr ?klantnr ;
rdfs:label ?naam .
FILTER (?count = 2)
}
GROUP BY ?naam
ORDER BY DESC(?count)
""",
on the following graph:
local:sfg_customer_100068 a local:Sfg_customer ;
rdfs:label "SCALDA COLL V BROOD EN BANKET" ;
...
local:Klant_categorienr 345 ;
local:Klant_omschrijving "SCALDA COLL V BROOD EN BANKET"^^xsd:string ;
local:Klantnr "100068"^^xsd:string ;
Without the FILTER I get a nice result; but with FILTER the result is empty.
What is wrong?
regards,
Richard
On Tuesday, February 26, 2019 at 9:56:42 AM UTC+1, Jörn Hees wrote:
>
>
> > On 25 Feb 2019, at 21:44, Richard Dijkstra <[email protected]
> <javascript:>> wrote:
> >
> > I am enthousiatic about rdflib but I am shocked that only few questions
> are asked here and even less are answered. I did expect a lot more.
> >
> > Does anybody have a idea why this is the case.
> > Thank you for your reply.
>
> Well, the simple answer is: we'd all like to be more active here, but all
> have jobs leaving too little time for this :-/
>
> So please feel jump in.
>
> Best,
> Jörn
>
>
--
http://github.com/RDFLib
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