[SCL] Approach to a concrete syntax

pat hayes phayes at ai.uwf.edu
Mon May 26 16:45:45 CDT 2003


>Pat et al.,
>
>I wholly endorse the following statement by Pat, and I
>would object most strenuously if the weird features
>of RDF(S) were considered a primary driver of SCL:
>
>PH> RDF(S) is marginal to the SCL project.
>
>For political reasons, we need an XML-based syntax for SCL
>that accommodates RDF triples, but I vehemently oppose
>the notion that it should adopt the ludicrous syntactic
>directions that OWL has followed.
>
>I believe that the XML version of full SCL should be
>little more than the abstract SCL with angle brackets
>as syntactic sugar (or perhaps syntactic castor oil).
>
>The fact that OWL has an XML representation does *not*
>mean that the XML version of full SCL must or should
>include OWL as a proper subset.  They can both be
>SCL-conformant languages without one being a subset
>of the other (although the OWL subset must be mappable
>to the full SCL, but mappable does not mean identical).

I agree that the RDFSOWL aspect and a useable XML syntax for SCL 
should be thought of as distinct projects, and pursued more or less 
independently. Nevertheless, the fact remains that OWL and DAML and 
RDFS written in that ugly XML syntax are going to be out there, and 
we need to not do anything that would break our ability to 
interoperate with them.

>
>PH> This seems to be an issue which we need a higher bandwidth
>>  to discuss adequately. Can you make a telecon next Tuesday at
>>  the usual time? (Or indeed any othe time, if you prefer: you
>>  choose.)
>
>Unfortunately, this Tuesday (May 27 is bad for me).  I can
>make it on Wed or Fri of this week or on Tues, June 1.
>
>John
>
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