RE: Cutting the Patrician datatype knot

Date: 12/22/01

> d) there are (currently) _serious_ problems assigning URIs to 
> general XML
> Schema datatypes. The URIs given for the simple XML Schema 
> datatypes have
> been explicitly created. The XML Schema formalism (WD) 
> proposes a new URI
> syntax to resolve these issues, but this syntax is not 
> comparible with other
> XML fragment identifier syntax proposals including XPointer. Sigh.

While this is a significant issue to be resolved within the
broader scope of XML/Web standards interoperability, it does not
pose a problem to RDF, per se, so long as datatype URIs are
valid URIs -- since URIs are opaque identifiers within the
RDF graph space.

Thus, following the approach of pairing lexical form (literal)
with data type (URI), RDF should be able to handle any data 
typing scheme so long as each data type (simple or complex) has 
a valid URI -- regardless of whether that URI is parsable or 
meaningful to any other particular XML or internet standard 
or tool.



Patrick Stickler              Phone: +358 50 483 9453
Senior Research Scientist     Fax:   +358 7180 35409
Nokia Research Center         Email:

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