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RE: Example for consideration: Resource versus Representation

From: Williams, Stuart (HP Labs, Bristol) <skw@hp.com>
Date: Wed, 6 Feb 2008 13:23:22 +0000
To: Jonathan Rees <jar@creativecommons.org>
CC: Pat Hayes <phayes@ihmc.us>, Alan Ruttenberg <alanruttenberg@gmail.com>, "public-awwsw@w3.org" <public-awwsw@w3.org>
Message-ID: <9674EA156DA93A4F855379AABDA4A5C611950B505C@G5W0277.americas.hpqcorp.net>

Jonathan,

In relation to this fragment of our our exchange...

> > There is no good way for cooperating agents to communicate this
> >information; consider the case of a spreadsheet rendered as text/
> > plain. There's just no place in the representation to put any
> > metadata. Sure, you can choose a different representation, but I
> > wouldn't call that a "good" way to communicate. The issue of out-of-
> > band metadata - in the GET response, or linked from the response, or
> > as the response to a different request - has been discussed recently
> > on semantic-web and/or www-tag, I think. I would say this is an
> > architectural deficiency, and if it's not up to the TAG to fix it, it
> > should be up to some other pro-HTTP group, as this deficiency (I
> > believe) has been a factor in pushing many communities away
> from HTTP.
>
> Ok... finding authoritative resource/representation metadata
> seems like a good TAG issue - its probably relevant under
> httpRedirections-57. Maybe there is a finding to draft there.
>
> At a practical level, I'd guess that appropriate definition
> of a couple of response headers each that carry URI for the
> relevant metadata resources could surfice eg:
>
>         Resource-Description: <anyURI>
>         Representation-Metadata: <anyURI>

I have posted some thoughts on www-tag [1] because of the relation with httpRedirections-57 [2].

Basically, recapitualtion of an idea that I trace back to Jonathan Borden in 2003 [3], which resurfaced for me earlier this year and which seems relevant to surface at this time. Some discussion and basically a question as to whether its an idea with merit that needs action (which I think amounts to some internet-drafts and message header registrations - ie. IETF process) or not.

Regards,

Stuart
--
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Registered No: 690597 England

[1] http://lists.w3.org/Archives/Public/www-tag/2008Feb/0013
[2] http://www.w3.org/2001/tag/group/track/issues/57
[3] http://lists.w3.org/Archives/Public/www-tag/2003Mar/0006 (last para)
Received on Wednesday, 6 February 2008 13:26:11 GMT

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