Just require URLs

[James Tauber]

> Turn it around-- it would be intrinsically <em>good</em> to require
> all namespaces to reference a retrievable document.

But this is what started my whole point. How do you distinguish the "thing"
from the "retrievable document"? It isn't so much a problem with namespaces
because the "Creator" of a namespace is pretty much going to be the
"Creator" of the descriptive document.But consider your example of using:

http://isbn.org/isbn/1-57595-180-0B

to refer to a book *and* to the MARC record. The "Creator" of the book is
the author but the "Creator" of the MARC record probably someone else. But
THEY HAVE THE SAME URL!

James


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