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Re: [Fwd: RE: "information resource"]

From: Mark Baker <distobj@acm.org>
Date: Mon, 18 Oct 2004 09:42:45 -0400
To: Stuart Williams <skw@hp.com>
Cc: www-tag@w3.org
Message-ID: <20041018134245.GD24058@markbaker.ca>

Hi Stuart,

On Mon, Oct 18, 2004 at 10:07:24AM +0100, Stuart Williams wrote:
> >Consider that if I'm provided two URIs, one which identifies "an XML
> >representation of my medical record at time T" (where T is fixed) and
> >the other which identifies "an XML representation of my current medical
> >record", then if I invoke GET on each at time T, I get two equivalent
> >representations back.
> >
> >I suggest that what makes those two resources different is an "essential
> >characteristic", and because it isn't reflected in the messages,
> >
> 
> Small point... but that would depend on whether you regarded the request 
> URI (or URI returned in header fields) part of any of the messages 
> exchanged.

I don't believe so.  The response messages would certainly be different
if the URIs were included, but not different in a way which licenses the
recipient to determine whether the essential characteristic I'm
describing is present or not.

Mark.
-- 
Mark Baker.   Ottawa, Ontario, CANADA.        http://www.markbaker.ca
Received on Monday, 18 October 2004 13:41:07 UTC

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