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Re: Question on the boundaries of content negotiation in the context of the Web of Data

From: Michael Hausenblas <michael.hausenblas@deri.org>
Date: Mon, 01 Feb 2010 06:36:14 +0000
To: Larry Masinter <masinter@adobe.com>
CC: "www-tag@w3.org" <www-tag@w3.org>
Message-ID: <C78C26DE.C6B6%michael.hausenblas@deri.org>

Larry,

> Following the discussions that led up to this, I believe the TAG intent is to
> answer your specific question:
> 
>  There will be specification text (in HTTP BIS) that gives the supplier of
> http://sw-app.org/sandbox/house the responsibility for defining "equivalency".

Thanks!

Cheers,
      Michael

-- 
Dr. Michael Hausenblas
LiDRC - Linked Data Research Centre
DERI - Digital Enterprise Research Institute
NUIG - National University of Ireland, Galway
Ireland, Europe
Tel. +353 91 495730
http://linkeddata.deri.ie/
http://sw-app.org/about.html



> From: Larry Masinter <masinter@adobe.com>
> Date: Sun, 31 Jan 2010 17:49:19 -0800
> To: Michael Hausenblas <michael.hausenblas@deri.org>
> Cc: "www-tag@w3.org" <www-tag@w3.org>
> Subject: Re: Question on the boundaries of content negotiation in the context
> of  the Web of Data
> 
> Michael,
> 
> Speaking for the W3C TAG under ACTION-232
> (http://www.w3.org/2001/tag/group/track/actions/232):
> 
> On February 12, 2009 (not quite a year ago), you posted
> http://lists.w3.org/Archives/Public/www-tag/2009Feb/0074.html a question to
> the TAG with regard to content negotiation. In the message, you ask:
> 
> 
> 
> ... is the PNG *representation* derived via conneg from the generic resource
> <http://sw-app.org/sandbox/house> equivalent to the RDF in Turtle? If not, why
> not? If it is, can you please point me to a finding, note, a specification,
> etc. that 'normatively' defines what 'equivalency' really is?
> 
> 
> After discussions of the topic under TAG ISSUE-53
> http://www.w3.org/2001/tag/group/track/issues/53 and  discussions and review
> under ACTION-231 http://www.w3.org/2001/tag/group/track/actions/231 and back
> and forth with the IETF HTTPBIS working group, the text of the HTTPBIS
> document has been updated in preparation for a forthcoming Internet Draft.
> 
> See HTTBIS bug 81 http://trac.tools.ietf.org/wg/httpbis/trac/ticket/81, which
> points to the actual text, found currently in
> http://trac.tools.ietf.org/wg/httpbis/trac/changeset/745:
> 
> In particular, the HTTP spec will say:
> 
> Note that in all cases, the supplier of representations has the responsibility
> for determining which representations might  be considered to be the "same
> information".
> 
> Following the discussions that led up to this, I believe the TAG intent is to
> answer your specific question:
> 
>  There will be specification text (in HTTP BIS) that gives the supplier of
> http://sw-app.org/sandbox/house the responsibility for defining "equivalency".
> 
> Larry
> --
> http://larry.masinter.net
> 
Received on Monday, 1 February 2010 06:36:51 GMT

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