Re: [Bigdata-developers] sparql: combining union, graph, construct

[Bryan T. <br...@sy...>]

Jean-Marx,

Please file a ticket with this information and include the long exception
trace since it tells us plenty.

Thanks,
Bryan

On Sunday, October 19, 2014, Jean-Marc Vanel <jea...@gm...>
wrote:

> Hi
>>
>> I tried this query in latest BigData source code:
>>
>
>
>> CONSTRUCT {
>>            ?thing ?p ?o .
>>            ?s ?p1 ?thing .
>>          }
>>          WHERE {
>>            { graph <http://jmvanel.free.fr/jmv.rdf#me>
>>              { ?thing ?p ?o . }
>>            } UNION {
>>            graph ?GRAPH
>>              { ?s ?p1 ?thing . }
>>            }
>> } LIMIT 100
>>
>> This maybe wrong wrt the spec.
>> But it crashes in BigData,
>> with a long exceptions chain that tells nothing .
>>
>
> Note that in Jena and Virtuoso (dbpedia), this pattern of query is
> accepted,
> with unexpected results in Jena.
>
>
> The database has been prepared with:
> LOAD <http://jmvanel.free.fr/jmv.rdf#me> INTO GRAPH <
> http://jmvanel.free.fr/jmv.rdf#me>
> LOAD <http://danbri.org/foaf.rdf#danbri> INTO GRAPH <
> http://danbri.org/foaf.rdf#danbri>
>
>
>>
>> --
>> Jean-Marc Vanel
>> Déductions SARL - Consulting, services, training,
>> Rule-based programming, Semantic Web
>> http://deductions-software.com/
>> +33 (0)6 89 16 29 52
>> Twitter: @jmvanel , @jmvanel_fr ; chat: irc://irc.freenode.net#eulergui
>>
>
>
>
> --
> Jean-Marc Vanel
> Déductions SARL - Consulting, services, training,
> Rule-based programming, Semantic Web
> http://deductions-software.com/
> +33 (0)6 89 16 29 52
> Twitter: @jmvanel , @jmvanel_fr ; chat: irc://irc.freenode.net#eulergui
>


-- 
----
Bryan Thompson
Chief Scientist & Founder
SYSTAP, LLC
4501 Tower Road
Greensboro, NC 27410
br...@sy...
http://bigdata.com
http://mapgraph.io

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