Re: Identity modelling
Date: Wed, 31 Aug 2005 13:58:26 +0300
Message-ID: <df42gk$b5h$1_at_domitilla.aioe.org>
"David Cressey" <david.cressey_at_earthlink.net> wrote in message news:wafRe.4453$_84.1473_at_newsread1.news.atl.earthlink.net...
> Aside from the trivial questions of official definition, which x was so
kind
> as to provide us
Don't mention it!
> the real question is whether
> the URL is used as if it were a pointer or as if it were a key. There's
> some schizophrenia in the IT community about this, whether the community
> wishes to recognize it as such or not.
It is used as a variable name, not as a key.
> For example:
> If I move an html file from one directory to another on the same disk,
> have I changed its identity?
That depends.
> Have I changed its URL? The answer to the second
> question is clearly yes. A hyperlink bound to the old URL will now return
> "Page not found".
Not necessarily.
> But the question about whether I've changed its identity by moving it is a
> more subtle one.
It depends on the definition of identity applied by some user. Received on Wed Aug 31 2005 - 12:58:26 CEST