Hi Reza,
Something like (in pseudo-SPARQL since you haven't specified full URIs):
select * {
?s a <country> .
?s ?p ?o
}
The first clause finds all of the subjects of type country; the second finds
everything it can about those subjects.
Hope this helps,
On Jul 27, 2012, at 8:51 PM, reza ramezani <[email protected]> wrote:
> Hi Dear
> I need a sparql which extract all triples related to an entity in a way that
> at least one of entities indicate that that entity is a country.
> for example suppose we have these triples
>
> A rdf:type country
> A Name Canada
> A Size 10
> B Name Qom
> B Size 20
> C rdf:type country
> C size 10
>
> As the result, the sparql must returns these results
>
>
> A rdf:type country
> A Name Canada
> A Size 10
> C rdf:type country
> C size 10
>
> Because both A and B have rdf:type country
> How can I write such sparql?
> Many thanks
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