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Re: article on URIs, is this material that can be used by the SWEO IG?

From: Pat Hayes <phayes@ihmc.us>
Date: Mon, 11 Jun 2007 11:04:18 -0500
Message-Id: <p06230902c29321e4e27e@[]>
To: ht@inf.ed.ac.uk (Henry S. Thompson)
Cc: Tim Berners-Lee <timbl@w3.org>, Pat Hayes <phayes@ihmc.us>, Dan Brickley <danbri@danbri.org>, www-tag@w3.org

>Hash: SHA1
>John Cowan writes:
>>  Tim Berners-Lee scripsit:
>>>  When the word Representation is used, I prefer to use it strictly for
>>>  the relationship between an information resource such as a page about 
>>>  a person and the (metadata, bits) pair, and not for the relationship 
>>>  between the person described and the (metadata, bits) pair.
>>  Suit yourself, of course.
>>  But I prefer to suppose that the (metadata, bits) pair you get when
>>  fetching http://www.heritage.org/images/shakespeare.jpg is not merely a
>>  representation of that particular JPEG, but also of Shakespeare himself,
>>  as the publisher of that particular resource must surely have intended --
>>  they would scarcely have bothered to publish it if they meant it to be
>>  just some JPEG rather than a picture of Shakespeare.
>Stop, you're both right [1].  The (metadata, bits) pair is a
>representation of the resource.  The resource is a depiction (a kind
>of representation) of Shakespeare.  To some extent, 'represents' is

Whaaa??? No, it is NOT transitive. A photograph 
of a book describing a statue of George V is not 
a representation of George V.

The basic problem, seems to me, is that y'all (by 
which I mean the TAG mostly) are using words like 
"represent" far too loosely. The above two sense 
of represent have very little to do with one 
another, and even less to do with represent as in 
'knowledge representation'.


>, so, by transitivity, the (metadata, bits) pair also
>represents Shakespeare.
>Some, but not all, things which are true of Shakespeare's image are
>true of that particular JPEG.
>Clearer examples would be, perhaps, a map of medieval Edinburgh:
>  http://www.edinphoto.org.uk/1_MAP/1_map_edinburgh_1582.htm#map
>or a caricature of Richard Nixon:
>or the MP3 for a particular recording of Beethoven's 6th:
>  http://downloads.bbc.co.uk/rmhttp/radio3/symphony6_beethoven_radio3.mp3
>[1] http://snltranscripts.jt.org/75/75ishimmer.phtml
>- --
>  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 Monday, 11 June 2007 16:04:37 UTC

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