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Re: Editorial changes in Section 2.5

From: Pat Hayes <phayes@ihmc.us>
Date: Tue, 14 Feb 2006 08:51:47 -0600
Message-Id: <p06230913c0179c3b06ee@[10.100.0.25]>
To: Enrico Franconi <franconi@inf.unibz.it>
Cc: andy.seaborne@hp.com, RDF Data Access Working Group <public-rdf-dawg@w3.org>

>On 13 Feb 2006, at 22:12, Pat Hayes wrote:
>>--------
>>Definition: E-entailment Regime
>>
>>An E-entailment regime is a relation between a subset of RDF graphs 
>>and a subset of basic graph patterns.
>>
>>A basic graph pattern in the range of an E-entailment is called 
>>well- formed for the E-entailment.
>>--------
>>
>>Was this in version 1.623 when we took the vote?? If so, I 
>>apologize for not noticing it at the time, but this is broken. 
>>Entailment is a relationship between graphs, because *by 
>>definition* it refers to truth of the graph in an interpretation. 
>>Patterns don't have truthvalues in interpretations. So what it 
>>should say is that an E-entailment regime is a relation between RDF 
>>graphs, defined on a subset of RDF graphs. The graphs in the subset 
>>are called well-formed for the entailment regime. (I'd avoid the 
>>use of 'range' here, see below.)
>
>You're right.
>
>"""
>Definition: E-entailment Regime
>An E-entailment regime is a binary relation between subsets of RDF graphs.
>A graph in the range of an E-entailment is called well-formed for 
>the E-entailment.
>"""
>
>(we need range here since the domain may not be the same as the 
>range -- e.g., OWL-DL query answering).

Ah, I see. But there are expository reasons for not using that very 
word without explanation, see my earlier mail.

Pat


>--e.
>
>Attachment converted: betelguese2:smime 27.p7s (    /    ) (00237A7A)


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Received on Tuesday, 14 February 2006 14:51:59 GMT

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