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comments on rdf:text solicited

From: Axel Polleres <axel.polleres@deri.org>
Date: Fri, 24 Oct 2008 15:42:13 +0100
Message-ID: <4901DEC5.4020603@deri.org>
To: "Public-Rif-Wg (E-mail)" <public-rif-wg@w3.org>, public-rdf-text@w3.org

Dear all,

find at

the prefinal version of the rdf:text datatype, now with 
Xquery/Xpath-style built-in functions added.

I have added a rudimentary set of built-ins.
The most essential ones are those from seciton 4.1. to assemble and 
disassemble rdf:text.

The others (sections 4.2, 4.3) are mostly syntactic sugar, which is 
shown by for most of them also a declared XQuery function being given to 
emulate them. Still, I think these are important enough to be kept in 
the spec.

An exception is  fn:matches-language-range which exposes language range 
matching as defined in RFC 4647 (part of BCP-47) as a built-in function.

I think thee cover the most essential functions needed for rdf:text.

The RIF versions of these will be defined in an update of DTB, along 
with examples how to emulate (min-/max-length, etc.) facets using these 
functions in RIF rules.

Please comment until mid next week latest, since the OWL group really 
needs this document to be finished.


Dr. Axel Polleres, Digital Enterprise Research Institute (DERI)
email: axel.polleres@deri.org  url: http://www.polleres.net/

Everything is possible:
rdfs:subClassOf rdfs:subPropertyOf rdfs:Resource.
rdfs:subClassOf rdfs:subPropertyOf rdfs:subPropertyOf.
rdf:type rdfs:subPropertyOf rdfs:subClassOf.
rdfs:subClassOf rdf:type owl:SymmetricProperty.
Received on Friday, 24 October 2008 14:42:53 UTC

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