W3C home > Mailing lists > Public > www-tag@w3.org > April 2008

Re: Uniform access to descriptions

From: Michaeljohn Clement <mj@mjclement.com>
Date: Sun, 13 Apr 2008 18:29:37 -0600
Message-ID: <4802A571.4070207@mjclement.com>
To: wangxiao@musc.edu
CC: Pat Hayes <phayes@ihmc.us>, "www-tag@w3.org WG" <www-tag@w3.org>, noah_mendelsohn@us.ibm.com, Jonathan Rees <jar@creativecommons.org>, Phil Archer <parcher@icra.org>, "Williams, Stuart (HP Labs, Bristol)" <skw@hp.com>

Xiaoshu Wang wrote:
> Let's me ask you this.  Is this
> http://dfdf.inesc-id.pt/tr/doc/web-arch/img/fig2 an IR?
> Yes or no?


> Now, I tell you, there are a few content-types behind that URI. 
> text/html, image/jpg, text/plain, ...

No problem, that is consistent with it being an IR.

> Tell me what kind of statement you want to make on
> http://dfdf.inesc-id.pt/tr/doc/web-arch/img/fig2 *easily*?

That it is identified by <http://dfdf.inesc-id.pt/tr/doc/web-arch/img/fig2>.

That it is an IR.

Other statements I may make about it (such as that it is a diagram) 
will be aided by having these two as a given.

> Can you tell me what is the, let's say 10th byte, of
> http://dfdf.inesc-id.pt/tr/doc/web-arch/img/fig2?

It does not have a tenth byte.

> I want to tell you is this.  If you want to do what you said *easily*
> describe a webpage, whatever it is.  The necessary condition is that URI
> has one and only one mime-type and whatever is on your browser is a
> byte-to-byte copy of that page.

No, that is not a necessary condition.

Received on Monday, 14 April 2008 00:30:15 UTC

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