Re: Constructing URI

Thomas FRANCART wrote:
> Hi all -
> 
> I want to construct the URI of a resource using other pieces of 
> information from an RDF graph. Let me try to explain :
> 
> <http://www.example.com#A> <http://www.example.com#P1> 
> <http://www.example.com#B>
> <http://www.example.com#B> <http://www.example.com#P2> "valueB"
> <http://www.example.com#B> <rdfs:label> "labelB"@en
> 
> I would like to do a CONSTRUCT query in which a resource C would have a 
> URI built by concatenating the URI of A (http://www.example.com#A) and 
> the language information of the resource B (en). The resulting URI would 
> be "http://example.com#A_en".
> Is it possible ? could anyone point me to an example ?
> 
> If it not possible with the language information of the label of B, 
> would it be possible to build the URI of C using the property P2 of B ? 
> (the resulting URI would be http://www.example.com#A_valueB)

Hi Thomas,

This is not possible using standard SPARQL, though some implementations 
may provide extensions to allow it.

It is one proposed feature that the new SPARQL Working Group is considering:

http://www.w3.org/2009/sparql/wiki/Feature:CreatingIrisAndLiterals

Lee

> 
> Thanks for the help !
> Thomas
> 
>     Thomas Francart
>     CTO
>     Mondeca
>     3, citÚ Nollez 75018 Paris France
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>     Mail: thomas.francart@mondeca.com <mailto:thomas.francart@mondeca.com>
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>     Blog: Lešons de choses <http://mondeca.wordpress.com> 
> 

Received on Monday, 23 March 2009 13:40:29 UTC