On Jun 6, 2006, at 12:40 AM, patrickdlogan wrote:

> > [RDF assumes] a single namespace for identification...
> > [TM do not]
>
> Can you explain that faster than I can find a good reference on the  
> web?
>
TMs assume that you can use a URI to refer to the representation that  
lives behind HTTPs resource abstraction. TMs assume that you can use  
a URI to say "I am refering to this bits and bytes thing, not any  
abstraction of it". The problem (IMHO) is that HTTP and URI specs  
define certain semantics and whatever other stuff makes use of HTTP  
and URI specs cannot just bend these semantics to mean something  
else. So, since with URIs you (deliberately!) cannot address the bits  
and bytes, how can TMs say they can?

Note that the above does not apply to the part of the standard known  
as the TM Reference Model (meanwhile aka Subject Maps, I think); this  
part[1] is intended to provide certain formal underpinnings to the  
whole story; essentially a (weighted, directed hyper-) graph based  
data model with arbitrary (externally defined) identity rules for the  
nodes (and the resulting merging of the nodes). Puh. (Whoever want to  
know more about this, gimme a call :-)

Jan

[1] It originates from the TM camp having broken apart into two  
opponing parties back in 2001 and the quest of both parties to remain  
part of the (ISO-) game.


> Thanks,
> Patrick
>
>
> 





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