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Re: owl xml serialization (example doesn't work)

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Thu, 10 Apr 2008 17:37:25 -0400 (EDT)
Message-Id: <20080410.173725.178451204.pfps@research.bell-labs.com>
To: sandro@w3.org
Cc: public-owl-wg@w3.org

From: Sandro Hawke <sandro@w3.org>
Subject: owl xml serialization (example doesn't work)
Date: Thu, 10 Apr 2008 17:02:03 -0400

> 
> 
> I set up the namespace document at
> 
>     http://www.w3.org/ns/owl2-xml
> 
> and modified XML_Serialization to match.   The namespace document
> includes a warning:
> 
>        Until the specification reaches W3C Candidate Recommendation (CR)
>        status, this namespace name may be reused by any update in such a
>        way as to cause documents written using the namespace to become
>        invalid or to change in meaning. In fact, the namespace may be
>        un-defined, if (for instance) this OWL XML namespace and the OWL
>        RDF namespace are merged. 
> 
> I changed the namespace name in the schema and in the example to not
> have a hash (it was "http://www.w3.org/ns/owl2-xml#"), to keep with what
> I understand to be normal XML practice.
> 
> I notice that the example DOES NOT VALIDATE, because the attribute
> ox:URI isn't defined in the schema.  Any clues?  This doesn't exactly
> stop us from publishing, but I'd sure like it fixed.
>  
>       -- Sandro

Hmm.

What about arity, ontologyURI, and datatypeURI?  Aren't they in exactly
the same boat as URI?  I guess I'm confused about XML Schemas.



I tried http://www.w3.org/2001/03/webdata/xsv on

http://www.w3.org/ns/owl2-xml/live-from-wiki.xsd

and got:

Schema validating with XSV 3.1-1 of 2007/12/11 16:20:05

    * Target: [standalone schema assessment]
         (Real name: http://www.w3.org/ns/owl2-xml/live-from-wiki.xsd
          Last Modified: Thu, 10 Apr 2008 20:43:12 GMT
          Server: Apache/2.2.3 (Debian) mod_python/3.2.10 Python/2.4.4
         PHP/5.2.0-8+etch10)
    * schemaDocs: http://www.w3.org/ns/owl2-xml/live-from-wiki.xsd
    * The schema(s) used for schema-validation had
        no errors
    * The target was not assessed

Schema resources involved

Attempt to load a schema document from
http://www.w3.org/ns/owl2-xml/live-from-wiki.xsd
 (source: command line) for
   no namespace, succeeded

Attempt to load a schema document from
http://www.w3.org/2001/xml.xsd
 (source: import) for
   http://www.w3.org/XML/1998/namespace,
    skipped, other docs already loaded for this namespace:


peter
Received on Thursday, 10 April 2008 21:47:10 GMT

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