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   Re: [xml-dev] Semantic Web Services

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On Tue, Jun 15, 2004 at 09:10:57AM -0500, Bullard, Claude L (Len) wrote:
> A simple question, but one that could get to 
> the heart of whether or not we should expect 
> to see growth in the semantic web business:
> What are some services that SemWeb 
> applications could expose for discovery 
> and integration into web client applications 
> including mobile applications?

Do you mean Semantic "Web Services", or "Semantic Web" services?  The
former, IMO, is best ignored, because it's tied to Web services/SOA
which I don't consider workable for Internet scale integration.  But the
latter is extremely promising, and something I've been working with for
a few years.

As for the services that these application could expose, I'd say simply
that they should expose as much of their data as possible.  That way a
consumer of the data can repurpose it for their own needs, rather than
having the application expose it in a manner conducive only to how they
saw the data being used at the time it was written.  In other words, I
don't find it particularly useful to think in terms of "services".

Applications should also consider publishing data about their data,
including data about when their data changes; RSS, for example.  But
that can, in many cases, be easily offloaded to an application which is
subscribed to the data provided by the other applications.

Mark Baker.   Ottawa, Ontario, CANADA.        http://www.markbaker.ca


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