- From: Geoff Chappell <geoff@sover.net>
- Date: Tue, 21 Jun 2005 17:13:14 -0400
- To: "'Jan Algermissen'" <jalgermissen@topicmapping.com>, <semantic-web@w3.org>
I imagine in sparql you could say something like:
select ?s where {?s ?p ?o.
OPTIONAL {?s rdf:type ?x}
Filter !bound(?x)}
-Geoff
> -----Original Message-----
> From: semantic-web-request@w3.org [mailto:semantic-web-request@w3.org] On
> Behalf Of Jan Algermissen
> Sent: Tuesday, June 21, 2005 4:55 PM
> To: semantic-web@w3.org
> Subject: RDF querying question
>
>
> Hi,
>
> is it possible (in RDQL or SPARQL) to query for all nodes that do
> not have
> a certain property at all?
>
> For example: "Retrieve all nodes that do not have an rdf:type"
>
> Thanks in advance.
>
> Jan
>
>
>
Received on Tuesday, 21 June 2005 21:13:33 UTC