but why? do you have any row in which the value of Genotyping_ID_GS is
"^.$"?
looks like you're trying to match the field against a regular expression.
If it were in the relational DB, what would be the query?
--
diogo patrão
1145455440
On Thu, May 12, 2011 at 10:26 AM, Julien Wollbrett <
[email protected]> wrote:
> I try to do:
>
>
> SELECT DISTINCT ?genotypingstudy_id_gs ?germplasm_name WHERE {
> FILTER (?genotypingstudy_id_gs = "^.*$").
>
> ?genotypingstudy_id_genotypingstudy
> vocab:genotypingstudy_id_genotypingstudy ?genotypingstudy_id_gs.
> ?genotypingstudy_id_genotypingstudy vocab:genotypingstudy_id_germplasm
> ?genotypingstudy_id_germplasm.
> ?genotypingstudy_id_germplasm vocab:germplasm_name ?germplasm_name.
> }
>
> and it doesn't work :-(
>
>
> Le 12/05/2011 15:12, Diogo FC Patrao a écrit :
>
> I guess you just have to write
>
> FILTER ( ?whateverpropertytheprimarykeyismappedinto = yourvaluehere )
>
> or maybe I didn't understand well what you're after.
> --
> diogo patrão
>
>
>
> On Thu, May 12, 2011 at 6:16 AM, Julien Wollbrett <
> [email protected]> wrote:
>
>> Hi,
>>
>> I have a D2RQ mapping file annotated with ontological concepts. I use this
>> mapping file to start a D2R-Server and I create SPARQL queries to
>> interrogate my database.
>> I have a problem to create my SPARQL queries and more precisely I have a
>> problem to deal with primary key values.
>> When I filter the value of an attribut, I use the FILTER option of SPARQL.
>> But I can't use this FILTER option to filter a primary key value.
>>
>> *Example:
>>
>> **Query with a filter option*
>> SELECT DISTINCT ?genotypingstudy_id_gs ?germplasm_name WHERE {
>> FILTER regex(?genotypingstudy_id_gs,"^.*$").
>> ?genotypingstudy_id_genotypingstudy
>> vocab:genotypingstudy_id_genotypingstudy ?genotypingstudy_id_gs.
>> ?genotypingstudy_id_genotypingstudy vocab:genotypingstudy_id_germplasm
>> ?genotypingstudy_id_germplasm.
>> ?genotypingstudy_id_germplasm vocab:germplasm_name ?germplasm_name.
>> }
>>
>> *SQL model*
>> genotypingstudy(*id_genotypingstudy,* #id_germplasm)
>> germplasm(*id_germplasm*, name)
>>
>> Do you have any idea how to filter value of a primary key into a SPARQL
>> query?
>>
>> Regards
>>
>>
>>
>>
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>
>
>
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> Learn how Intel has extended the reach of its next-generation tools
> to help boost performance applications - inlcuding clusters.
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What every C/C++ and Fortran developer should know.
Learn how Intel has extended the reach of its next-generation tools
to help boost performance applications - inlcuding clusters.
http://p.sf.net/sfu/intel-dev2devmay
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