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Re: !=

From: Richard Newman <rnewman@franz.com>
Date: Sun, 15 Jul 2007 22:46:13 -0700
Message-Id: <F6C4E799-9D6B-4F55-8913-ACBCAC49519F@franz.com>
Cc: public-rdf-dawg-comments@w3.org
To: andy.seaborne@hp.com

> to allow an implementation to add handling of types not required by  
> core SPARQL.

Ah, operator extensibility hadn't occurred to me.

>>    * that fn:not is replaced by a SPARQL operator that masks  
>> SPARQL  type errors, treating them as false, but otherwise  
>> behaving as fn:not.
>
> This would lead to a problem with fn:not(fn:not(error)) which is  
> now true.

Good point. Thanks for your helpful response!
Received on Monday, 16 July 2007 05:46:28 GMT

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