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Re: Doubts about RDF

From: yf110@----.--------.--.-- (------- ---------)
To: NULL
Date: 5/9/2007 12:15:00 AM


418928@c... (418928@c...) wrote:
: Hi everybody,

: I have some doubts about RDF. I hope you can help me with them:

: -In http://www.w3.org/TR/rdf-primer, they use the namespace
: "http://www.example.org/terms/">", but the URL "http://
: www.example.org"
: does not exist, so it doesn't define any terms. Is this out-of-date?

A name space is not a web site, it has no need to exist.  It is just a
string used as a name in an xml file.  Now ask yourself, What if you
wanted to combine two xml files created by two different authors that both
used the same name for different things?  That would be inconvenient - it
is very useful if different authors can guarantee they always use
different names.  The best way to ensure different authors use different
names is for each author to include their own domain name as part of the
name.  If every author does that then every name will always be unique,
since noone else will ever use the same name.

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