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Re: XML Schema draft populates the intersection of Language and InformationResource [ISSUE-14 httpRange-14]

From: Pat Hayes <phayes@ihmc.us>
Date: Thu, 13 Sep 2007 16:02:48 -0500
Message-Id: <p06230918c30f54c978b9@[]>
To: ht@inf.ed.ac.uk (Henry S. Thompson)
Cc: www-tag <www-tag@w3.org>

>Hash: SHA1
>Dan Connolly writes:
>>  In looking around Henry's work on the XML Schema namespace,
>>  I discovered...
>>  [[
>>  http://www.w3.org/XML/XMLSchema
>>    Identifies the XML Schema Definition Language in general, without
>>  referring to a specific version of it.
>>  ]]
>>   -- http://www.w3.org/TR/xmlschema11-1/#langids
>>  It seems a little odd to use a hashless HTTP URI for a language.
>>  I checked for a redirect... nope...
>>  $ HEAD http://www.w3.org/XML/XMLSchema
>>  200 OK
>>  So the draft proposes that http://www.w3.org/XML/XMLSchema
>>  identifies both an information resource and a language.
>Well, the draft only proposes that it identify the language.  Putting
>a page there so the server returns 200 was a step I'm pretty sure the
>editor made independently, w/o considering the ontological
>implications of doing so or what our httpRange-14 finding has to say
>about them.

The fact that it seemed so natural and obvious to do this in the 
innocent pre-HTTP-14 days should give us all pause, however. Why 
SHOULD putting a Web page in the obvious Web place be considered to 
be making ANY kind of ontological statement? Perhaps it shouldn't. In 
fact, I'm pretty sure it doesn't, outside the TAG meetings and maybe 
three or four offices in MIT.


>>  Is it just me, or does this seem like a map/territory bug, to others?
>>  There are languages and there are documents that specify/describe
>>  languages, but those classes don't intersect, do they?
>No probably not.  But we've accepted puns similar to this in the past,
>particular wrt namespaces themselves. . .
>>  The httpRange-14 issue is closed, but I wonder if this is new
>>  information that motivates taking another look.
>Let's not be hasty -- do we have any extant examples of languages
>which _do_ publish separate URIs for the language and the spec.?  Do
>any of these use the 302 response for the language URI?  What, for
>example, is the URI which identifies HTML?  N3? Python?
>- --
>  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
>                      Half-time member of W3C Team
>     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
>             Fax: (44) 131 650-4587, e-mail: ht@inf.ed.ac.uk
>                    URL: http://www.ltg.ed.ac.uk/~ht/
>[mail really from me _always_ has this .sig -- mail without it is forged spam]
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Received on Thursday, 13 September 2007 21:03:05 UTC

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