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Re: Linked Media: Weaving non-textual content into the semantic web

From: Yves Lafon <ylafon@w3.org>
Date: Tue, 10 Mar 2009 11:07:10 -0400 (EDT)
To: RaphaŽl Troncy <Raphael.Troncy@cwi.nl>
cc: Conrad Parker <conrad@metadecks.org>, Media Fragment <public-media-fragment@w3.org>
Message-ID: <Pine.LNX.4.64.0903101104420.2387@ubzre.j3.bet>
On Tue, 10 Mar 2009, RaphaŽl Troncy wrote:

> Dear Conrad,
>
>> The distinction between use of a fragment or a query introduces
>> different retrieval protocols. This is a technical distinction and has
>> little to do with semantic purpose such as user context.
>
> Well, not exactly. The query creates a *new* resource that is unrelated to 
> the original resource, i.e., you can't tell that 
> http://www.example.org/myVideo.ogg?t=15,45 is unrelated to 
> http://www.example.org/myVideo.ogg. You don't have this problem with the 
> fragment.

Plus, consider that a server returning the same content for both URIs 
above is a configuration choice, quite common now but perhaps not some 
time in the future (like when a security warning say that you have to 
reject every URI with query parameters on resources not handling them ;) )
So you can't even rely on a fallback mechanism to do discovery based on 
the structure of the URI.

-- 
Baroula que barouleras, au tiťu toujou t'entourneras.

         ~~Yves
Received on Tuesday, 10 March 2009 15:07:20 GMT

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