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Re: wrong name for exactly one

From: Peter F. Patel-Schneider <pfpschneider@gmail.com>
Date: Wed, 15 Feb 2017 19:27:03 -0800
To: Holger Knublauch <holger@topquadrant.com>, public-rdf-shapes@w3.org
Message-ID: <b382ccb0-4982-912d-e4d5-d34d85d27fe7@gmail.com>
That's a reasonable name.

peter

On 02/15/2017 03:37 PM, Holger Knublauch wrote:
> The WG has decided to rename sh:xor to sh:xone, as a shortcut for "exactly one".
> 
> Holger
> 
> 
> On 15/02/2017 3:14, Peter F. Patel-Schneider wrote:
>> If there has to be an explanation that the name chosen for something means
>> something else everywhere else, then the wrong name has been chosen.
>>
>> >From 4.6.4 sh:xor
>> "Note that despite the name, the semantics of sh:xor for cases with 3 or more
>> shapes are different from an exclusive or in the mathematical sense. The
>> general definition of exclusive or makes it true only when an odd number of
>> inputs are true, while the SHACL definition of sh:xor relies on exactly one
>> semantics."
>>
>>
>> Peter F. Patel-Schneider
>> Nuance Communications
>>
> 
> 
Received on Thursday, 16 February 2017 03:27:38 UTC

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