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   Re: [xml-dev] A conceptual excursion (was: RDDL; what a namespace is; w

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On Wednesday 23 January 2002 05:39 pm, Jeff Lowery wrote:
> Notice that the word "domain" was not mentioned in the above
> paragraph. That's because a namespace does not identify a domain. It
> is merely (strictly speaking) a disambiguation device. It has no
> meaning *by definition*. Now, others may want to add meaning to it,
> and they're free to do so (if they can stand the consequent heat).

Bingo. Namespaces are a form of alpha-renaming, and little else.

> "this is my domain; it's name is __; it's description is ___"
> "these are the namespaces in my domain"
> "this is the schema(s) that defines the entities in my domain"
> "these are the schemas that define domain spans, but are not domains
> of themselves"

Right... this is essentially setting the interpretation context. 

Another way to do this is to build/package the knowledge into the 
document/product you deliver.

For example, I most likely would enjoy your documents, but couldn't 
care less about your domain of expertise (unless I was a printer). As 
such, I expect you to produce things that I can process in *my* 
domain, and we have an implicit agreement on how I am to interpret the 
documents you produce. If we *don't* have an agreement, you either 
need some way of hard-coding the interpretation, or we shouldn't even 


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