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Re: Question on blank nodes

From: Gregory Williams <greg@evilfunhouse.com>
Date: Tue, 29 Jun 2010 17:39:55 -0400
Cc: SPARQL Working Group <public-rdf-dawg@w3.org>
Message-Id: <62D386F7-D09F-4F39-B5B3-8247A5350976@evilfunhouse.com>
To: Paul Gearon <gearon@ieee.org>
On Jun 29, 2010, at 5:12 PM, Paul Gearon wrote:

> I've been trying to find the conversation we've had on the scope of
> blank nodes in a delete, but so far I haven't found it.
> 
> What happens for the following query:
> 
>  DELETE { ?s :p _:b } WHERE { ?s :p _:b }
> 
> Is the _:b treated as the same node in the template as it is in the pattern?

Relatedly, I'd wonder if this is exactly equivalent to:

DELETE WHERE { ?s :p _:b }

or if the semantics are slightly different. I can't figure out based on the text in the latest working draft of Update whether these two should act the same.

.greg
Received on Tuesday, 29 June 2010 21:40:25 GMT

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