Re: [LC response] To Marko Luther

Dear Markus,

what a pity that one has to work now with different abbreviation  
naming conventions.
Anyhow, I accept the working group's response to my comment.

M.

On 19.10.2009, at 18:45, Markus Krötzsch wrote:

> Dear Marko,
>
> Thank you for your comment
>     <http://lists.w3.org/Archives/Public/public-owl-
> comments/2009Oct/0011.html>
> on the OWL 2 Web Ontology Language last call drafts.
>
> As you rightly point out, the current writing of prefix names in the  
> examples
> of the Primer conforms to the technical specification of the OWL/XML  
> syntax
> [1] and thus is correct. Changing the OWL/XML serialisation to  
> require colons
> at this point would be a non-editorial change that affects  
> implementations, so
> the Working Group has decided against this change.
>
> However, it is true that different syntactic conventions in different
> serialisations might be a source of confusion, and we therefore have  
> added an
> explicit remark to point out this difference in the respective  
> section of the
> Primer. See [2] for a diff.
>
> Please acknowledge receipt of this email to
> <mailto:public-owl-comments@w3.org> (replying to this email should  
> suffice).
> In your acknowledgment please let us know whether or not you are  
> satisfied
> with the working group's response to your comment.
>
> Regards,
> Markus Krötzsch
> on behalf of the W3C OWL Working Group
>
> [1] http://www.w3.org/TR/2009/PR-owl2-xml-serialization-20090922/
> [2]
> http://www.w3.org/2007/OWL/wiki/index.php?title=Primer&diff=26039&oldid=26038
>
>
> On Samstag, 17. Oktober 2009, Marko Luther wrote:
>> I got confused by the examples given in the PR OWL 2 Primer at
>>
>> <http://www.w3.org/TR/2009/PR-owl2-primer-20090922/>
>>
>> regarding the exact syntax for prefix names.
>>
>> According to the PR OWL 2 Structural Specification at
>>
>> <http://www.w3.org/TR/2009/PR-owl2-syntax-20090922/#IRIs>
>>
>> the last character should always be a colon (see also the PNAME_NS
>> production in <http://www.w3.org/TR/2008/REC-rdf-sparql-query-20080115/
>>
>>> ). This is also the case for all examples given in Functional Style
>>
>> Syntax, e.g. those in
>> <http://www.w3.org/TR/2009/PR-owl2-primer-20090922/ 
>> #Appendix:_The_Complete_
>> Sample_Ontology
>>
>>
>> Prefix(:=<http://example.com/owl/families/>)
>> Prefix(otherOnt:=<http://example.org/otherOntologies/families/>)
>> Prefix(xsd:=<http://www.w3.org/2001/XMLSchema#>)
>> Prefix(owl:=<http://www.w3.org/2002/07/owl#>)
>> ..
>>
>> However, the corresponding example in OWL/XML Syntax has the  
>> following
>> entry
>>
>>   <Prefix name="otherOnt"
>> IRI="http://example.org/otherOntologies/families/ "/>
>>
>> which complies with the OWL 2 XML Schema. Note that here the name of
>> the prefix does not contain a colon. I would have expected the
>> following:
>>
>>   <Prefix name="otherOnt:"
>> IRI="http://example.org/otherOntologies/families/ "/>
>>
>> What is the correct way to specify a prefix in OWL/XML Syntax? Would
>> the empty prefix be defined with name="" or name=":"?
>>
>> Best regards,
>> Marko Luther
>
>
> -- 
> Markus Krötzsch
> Karlsruhe Institute of Technology (KIT), Institute AIFB
> Englerstraße 11 (Geb. 11.40), 76131 Karlsruhe,  Germany
>
> phone: +49 (0)721 608 7362
> fax:   +49 721 608 6580
> email: markus.kroetzsch@kit.edu
> web:   http://korrekt.org
>
> http://semantic-web-book.org
> http://semantic-mediawiki.org
>
> KIT - Universität des Landes Baden-Württemberg und nationales
> Großforschungszentrum in der Helmholtz-Gemeinschaft
>
>