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Re: New draft of URNsAndRegistries-50 candidate finding available

From: Ian Davis <iand@internetalchemy.org>
Date: Thu, 15 Jun 2006 13:46:22 +0100
Message-ID: <4491569E.9090007@internetalchemy.org>
To: "Henry S. Thompson" <ht@inf.ed.ac.uk>
CC: www-tag@w3.org

This is a very interesting and useful document.

One common argument against using HTTP URIs for identification is 
persistence, which is covered in section 4.3. However I feel that this 
section doesn't address the most common argument which is that when an 
organization purchases a domain they become the owner of all associated 
URIs with that domain, past or present.

To be a good web citizen this organisation must then take care when 
assigning new URIs so as not to re-use an earlier URI for a new purpose. 
     As is pointed out in the draft the original owner "[does] not have 
to register the complete URI anywhere" so it's impossible in practice to 
discover the URIs previously assigned. To comply with the AWW constraint 
"URIs Identify a Single Resource" would require an exhaustive search of 
URI usage.

Over the long term, domains will change hands many times, so it's clear 
that this can't scale.

I'd like to see this document address this common argument.

Blogging at... http://iandavis.com/blog
Working on... http://directory.talis.com/
Received on Thursday, 15 June 2006 12:46:33 UTC

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