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[closed] Re: Use of datatyping

From: Frank Manola <fmanola@mitre.org>
Date: Thu, 27 Feb 2003 10:12:53 -0500
Message-ID: <3E5E2AF5.8070508@mitre.org>
To: Roland Schwaenzl <Roland.Schwaenzl@mathematik.uni-osnabrueck.de>
CC: roland@scarlett.mathematik.uni-osnabrueck.de, www-rdf-comments@w3.org

Roland--

Thanks for the response.  For purposes of formally closing this thread, 
I'm accepting your comments as editorial changes to the Primer, and will 
do my best to respond to them appropriately.  Rather than adding the 
specific wording you've suggested below (I think the business about 
functions may be overly formal for some readers), I think this indicates 
a need to briefly describe *in the Primer* the datatype framework that 
Concepts describes, specifically the need to have a way (provided by the 
datatype source) to determine which character sequences are legal (for 
that datatype) and to have a way to go from character sequences to the 
values they denote for that datatype (this is your function, stated more 
informally), and that this information is provided by the *datatype* 
(for each datatype), not built into RDF itself.

--Frank

Roland Schwaenzl wrote:

> Dear Frank,
> 
> coming back from vacation i found your answer to my mailing to rdf-comments. 
> 
> 
> Thanks for taking the time to explain certain items. My main criticism is, that
> these explanations are difficult to read from the current version of the Primer. 
> 
> 
> 
> Maybe it would help to say something like: 
> 
> 
> The notion of "datatype" in RDF is (close to) that of 
> a function defined on finite character sequences (and 
> values in such).
> 
> RDF requires a "datatype" identified by a URIref. 
> 
> Definition of "datatypes" and understanding of "meaning of values" 
> is beyond the built in capabilities of RDF. 
> 
> 
> rs
> 
> 
> 


-- 
Frank Manola                   The MITRE Corporation
202 Burlington Road, MS A345   Bedford, MA 01730-1420
mailto:fmanola@mitre.org       voice: 781-271-8147   FAX: 781-271-875
Received on Thursday, 27 February 2003 09:53:18 GMT

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