W3C home > Mailing lists > Public > www-rdf-interest@w3.org > June 2001

RE: rdfms-resource-semantics

From: Lee Jonas <lee.jonas@cakehouse.co.uk>
Date: Wed, 6 Jun 2001 16:15:27 +0100
Message-ID: <51ED29F31E20D411AAFD00105A4CD7A77136@ZINGIBER>
To: "'dehora'" <bill@dehora.fsnet.co.uk>, "'Brian McBride'" <bwm@hplb.hpl.hp.com>, www-rdf-interest@w3.org
dehora [mailto:bill@dehora.fsnet.co.uk] wrote:
>
>You'll find one approach to sub-editing the M&S below:
>
><http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2001May/0117.html>
>
>How far one can do this without altering the meaning and intent of the 
>paragraph is a matter of debate. IMO (which is distinct from the O 
>of the wg) it's a reasonable approach given the scope of the wg charter. 
>

I agree it is a useful approach.  It comes down to considering the target
audience and purpose of the RDF M&S spec.  IMO it is intended to be a
definitive reference for RDF application developers, not an introduction or
a tutorial.  Hence, I think we both agree that the spec would benefit from
being more formal, concise and consistent in general, leaving examples and
tutorials to supporting, non-normative material.

Of course, making it concise is only the first step.  Further changes are
necessary.  From your previous mail [1]:

[[
"RDF expressions are used to describe resources as discussed in [RFC2396].
In RDF, resources MUST be identified by a URI plus optional anchor ids (see
[URI]). The current state of an RDF resource MAY be machine accessible to an
RDF application."
]]

This still refers to resources "identified by URI plus optional anchor id",
which I would like to see reworded to remove the ambiguity of whether an
optional anchor id identifies a resource - according to RFC2396 it doesn't.

In addition, this para (and the original RDF M&S spec) still says that a
'resource' (in the RDF sense) MUST be identified - this is contradicted
elsewhere in the spec where it discusses anonymous resources.

In my previous mail [2] I mentioned that an unambigious term (e.g.
'Reference') should be used instead of 'resource' (in the RDF sense), and
that it should be defined as the union of the disjoint sets 'URI reference'
and 'anonymous reference'.

Brian might have interpreted the latter to mean that it was a change to the
formal model.  It is not.  Instead, it was simply addressing yet another
issue: the spec says 'resources' (RDF sense) MUST have URI plus optional
anchor ID, then contradicts itself by defining anonymous resources, which
don't.

regards

Lee

[1] http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2001May/0117.html
[2] http://lists.w3.org/Archives/Public/www-rdf-comments/2001AprJun/0105.htm

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end
Received on Wednesday, 6 June 2001 11:14:57 GMT

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