RE: URI for abstract concepts (domain, host, origin, site, etc.)

# They aren't being treated differently. The normal syntax for naming  
# something in RDF is a URI reference with a fragid attached. The use of  
# a fragID cancels any assumptions that the URIreference denotes  
something connected with the HTTP protocol. 

How does it do that? 

# This is how RDF manages to  
# refer to galaxies, chemical elements, people, etc.. 

Sounds like this is only in the context of RDF.

Larry
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http://larry.masinter.net