W3C home > Mailing lists > Public > public-rif-wg@w3.org > December 2005

Re: [all] OWL and RDF compatibility scribles

From: Bijan Parsia <bparsia@isr.umd.edu>
Date: Tue, 13 Dec 2005 21:46:54 -0500
Message-Id: <89cc0bbb9a9c56f055d10fd18a090f42@isr.umd.edu>
Cc: Jeremy Carroll <jjc@hpl.hp.com>, "Evan K. Wallace" <ewallace@cme.nist.gov>, public-rif-wg@w3.org
To: Michael Kifer <kifer@cs.sunysb.edu> 

On Dec 13, 2005, at 3:38 PM, Michael Kifer wrote:
[snip]
> This is indeed a NAF and a very bad syntax at that.
> Why not use something more decent and conventional?
> Seems that the process of butchering SPARQL has already began even 
> before
> the language has been born officially.
>
> Anyway, I thought that Bijan said that SPARQL doesn't have explicit
> negation,

I never said that,s orry.

>  but if things like ! and binding tests are allowed then it
> appears that it has negation in a roundabout way.

Yep, sorry I meant to mention these.

> One more stab at it: binding tests are appropriate for programming
> languages (like Prolog), but not for a query language that is pitched 
> as a
> declarative language. My $0.02.

Comments welcome to the SPARQL list :)

Cheers,
Bijan.
Received on Wednesday, 14 December 2005 02:47:06 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Tuesday, 2 June 2009 18:33:25 GMT