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   Re: [xml-dev] WSIO vs. Semantic Web

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On Wednesday 13 February 2002 16:56, Dare Obasanjo wrote:
> This semantic web that you describe reminds me of all the hype about how
> XML would make search engines smarter because it allowed people to add
> metadata to words in documents.


> However, no one explained how the author
> of the document would know to tag all data in the document in a manner
> that would satisfy all search engines. For instance, a search for "Dare
> Obasanjo" could be looking for me in many contexts, it could be
> searching for Dare the former teaching assistant at GA Tech, Dare the
> poster to XML-DEV, Dare the Microsoft employee, or Dare the author of
> articles that have appeared in various places online. So now is the onus
> on me to tag my name with all the aforementioned metadata and more
> whenever I enter information about myself?

Personally, I'd do something like defining a nice namespace with some special 
attributes and elements in it that could be inserted into documents in such a 
way that processors not interested in those elements just ignore them (as is 
done in RDDL embedded in XHTML), such as:

<html xmlns:semweb="...">

 <semweb:relate type="urn:standard-relations:like-enjoy-affection">
  <p>Alaric likes cats</p>

Those libraries of common concepts in a nice convenient set of URN namespaces 
is pretty crucial to making the thing hang together.

The existence of XHTML (the <p> element) inside the semweb:relate can be used 
by intelligent software to present a comment or annotation for this 
relationship. It also seems logical to associate the informal English 
specification of the relationship with the formal one.

Such a relation could also be embedded around some SVG that happened to draw 
an arrow between two objects. The objects themselves could be embedded in 
<semweb:represents object="..."> elements, where the '...' is the URN of the 
actual object represented by that SVG shape... imagine the above assertion 
about me and cats expressed as an ER diagram.


                               Alaric B. Snell
 http://www.alaric-snell.com/  http://RFC.net/  http://www.warhead.org.uk/
   Any sufficiently advanced technology can be emulated in software  


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