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RE: URIs harmful

  • To: "Tim Bray" <tbray@t...>,<xml-dev@l...>
  • Subject: RE: URIs harmful
  • From: "Joshua Allen" <joshuaa@m...>
  • Date: Wed, 24 Jul 2002 21:14:59 -0700
  • Thread-index: AcIzaK63vZu3oxx0R3aa83h2CG4jBwAILgMg
  • Thread-topic: URIs harmful

> How about for things that you don't have any representations for right
> now but plan to in the near future?  How about things that you don't

That's covered by "intend to be dereferenced".

> have any way of representing right now, but you might someday?  What

It depends on how you define "representation" and "might" :-)
Everything *could* have a representation someday, so that's really not
justification for using http: identifiers.  IMO, if you feel that
representation retrieval (via synchronous HTTP GET) is likely to be an
important function of the resource, then it makes sense to use http:

> some things that fall into the category "which you don't intend to be
> dereferenced"?  -Tim

Most people wouldn't want to interact with beaches via http.  


(It's more likely that there would be several http: identifiable sites
which talk *about* a particular beach, and it would be better for
everyone involved if they did NOT use their http: URI as the identifier
for the beach.  Consider the following example:

A) Site: http://www.tybeebeach.com says 
   "urn:beaches:ga-tybee qualityIs great"
B) Site: http://www.tybeega.org says 
   "urn:beaches:ga-tybee qualityIs poor"
C) Site: http://www.mypersonalsite.com says 
   "http://www.tybeega.org qualityIs poor"

This use of identifiers has two important characteristics:

1) The use of a neutral identifier allows the sites to share the same
identifier and permits people to aggregate metadata from many places.
For example, a crawler like google could crawl both sites in A and B,
and allow people to search for reports on "qualityIs" of the particular
beach, without regards to who owns the individual http: sites.

2) Keeping the "web site" different from the "beach" permits people to
make assertions about the "web site" as in C.



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