W3C home > Mailing lists > Public > semantic-web@w3.org > July 2007

Re: RDF property templating

From: Renato Golin <renato@ebi.ac.uk>
Date: Thu, 19 Jul 2007 12:05:13 +0100
Message-ID: <469F4569.1060300@ebi.ac.uk>
CC: semantic-web@w3.org

Jérôme Mainka wrote:
> WHERE
> {
>         OPTIONAL ( ?obj :prop1 ?value1 ).
>         OPTIONAL ( ?obj :prop2 ?value2 ).
>         OPTIONAL ( ?obj :prop3 ?value3 ).
> } .
> the conclusion is never asserted when one of the variables is not bound. The 
> SPARQL doesn't say anything about that, but I tested this behaviour with 
> Redland and cwm.

Hum, with this clause I'd expect the whole database to be in the result
set... In fact you may well remove the WHERE clause if you want that.

--renato


-- 
Reclaim your digital rights, eliminate DRM, learn more at
http://www.defectivebydesign.org/what_is_drm
Received on Thursday, 19 July 2007 11:12:50 UTC

This archive was generated by hypermail 2.3.1 : Tuesday, 1 March 2016 07:41:58 UTC