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Re: shapes-ISSUE-19 (S35 not RDF): S35 appeals to something that is not RDF

From: Arthur Ryman <ryman@ca.ibm.com>
Date: Thu, 29 Jan 2015 10:07:48 -0500
To: "Eric Prud'hommeaux" <eric@w3.org>
Cc: public-data-shapes-wg <public-data-shapes-wg@w3.org>
Message-ID: <OF9B8F9CC7.00AEFC0D-ON85257DDC.00527649-85257DDC.00531E03@ca.ibm.com>
ericw3c@gmail.com wrote on 01/09/2015 01:16:48 AM:

> What makes an acc:AccessContextList invalid? No nodes of type 
> acc:AccessContext? Some node of type acc:AccessContext that doesn't 
> have a title? Is this different from validating twice, once for 
> nodes of type acc:AccessContextList and once nodes of type 
> acc:AccessContextList and once for nodes of type  acc:AccessContext?

Eric,

If any of the informally stated constraints are not satisfied, then the 
graph is invalid. 
For example, let X be the IRI of the access context resource and let G be 
the RDF graph.

If G does not contain a triple (X rdf:type acc:AccessContextList) then G 
is invalid.
If G contains more than one triple of the form (?S rdf:type 
acc:AccessContextList) then G is invalid.
etc.

-- Arthur Ryman
Received on Thursday, 29 January 2015 15:17:46 UTC

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