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Leigh Dodds wrote:
>
> By standardising those formats you reach another level of generalisation.
>
> There's a step beyond this which takes us to RDF...
>
Exactly. RDF brings us to the possibility of "partial understanding": if
a purchase order comes as XML, a client might not understand the MIME
type or the root namespace and would have to discard the message. If OTH
the purchase order comes as RDF, an RDF capable client can make use of
the portions of the message it understands (the set of RDF statements it
understands), even if it does not understand the *whole* message.
A crawler that extracts stuff like dc:title, dc:creator, etc. from
arbitrary documents is an example of this.
Jan
> Cheers,
>
> L.
>
>
>
>
>
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--
Jan Algermissen
Consultant & Programmer
http://jalgermissen.com
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