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   RE: [xml-dev] Issues with XML and Semantic Web ?

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Garfield wrote:

>1) What are the significant open issues with the Semantic Web ?
>3) Your thoughts on the Complexity of the current ontology expression 
>languages like OWL, DAML+OIL etc.

One problem I see, considering how long people have been talking about the
Semantic Web, is that there's still surprisingly little data to form into a
web. (I'm just talking in terms of publicly available non-transient RDF.) I
wonder how far XML would have gotten if we'd all spent the first few years
writing DTDs and only occasionally created little document instances to
demonstrate how our DTDs might be used. That didn't happen because people
coming out of the SGML world already had plenty of real-world applications
in which to use DTDs and documents, and the dot com boom gave people lots
more ideas, but the amount of practical, usable RDF data still seems
remarkably small. I've been compiling a list at rdfdata.org, and it's
getting harder and harder to find new entries. 

One could argue that we don't need RDF to build a viable semantic web, but
RDF does address problems that need to be addressed, so if you pull it out
of the equation something else needs to be plugged back in. 

Bob DuCharme   www.snee.com/bob       <bob@  
snee.com> weblog on linking-related topics: 


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