Thanks Mohamed,
I think the problem is "order by" clause, because it seems make dbpedia sort
a hight amount of data.
I tried
SELECT ?L WHERE { ?s rdfs:label ?L } OFFSET 0 LIMIT 15
then
SELECT ?L WHERE { ?s rdfs:label ?L } OFFSET 15 LIMIT 15
then
SELECT ?L WHERE { ?s rdfs:label ?L } OFFSET 500000 LIMIT 15
So it seems possible to extract all label 15 by 15.
Best regards
Luc
----- Original Message -----
From: "Mohamed Morsey" <[email protected]>
To: <[email protected]>
Sent: Monday, August 15, 2011 7:40 PM
Subject: Re: [Dbpedia-discussion] label extraction
> Hi Luc,
>
> try to execute your query against endpoint
> "http://live.dbpedia.org/sparql/";.
>
> I tried it out and it worked but it took a while to finish.
> Also take care that the order by is an exhausting operation, so your
> query may have timed out, so you always got that error.
>
> Hope that helps.
>
>
>
> On 08/15/2011 05:24 PM, luc peuvrier at home wrote:
>> I try the here below request
>>
>> PREFIX rdfs: http://www.w3.org/2000/01/rdf-schema#
>> SELECT {
>> ?s rdfs:label ?l.
>> }
>> ORDER BY ?l
>> LIMIT 20
>> OFFSET 0
>>
>> En then redo the request changing offset to extract all label.
>> may be 20 as limit is too small.
>> But I have
>>
>> 500 SPARQL Request Failed
>>
>> any explanations ?
>> Best regards
>> Luc
>>
>>
>>
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>
> --
> Kind Regards
> Mohamed Morsey
> Department of Computer Science
> University of Leipzig
>
>
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