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Re: Schism in the Semantic Web community.

From: John Graybeal <graybeal@mbari.org>
Date: Wed, 28 Jan 2009 08:37:19 -0800
Cc: Alan Ruttenberg <alanruttenberg@gmail.com>, "Seaborne, Andy" <andy.seaborne@hp.com>, Semantic Web <semantic-web@w3.org>
Message-Id: <FDBE6E16-5FB4-4DA4-92EE-CB4FF88AB69F@mbari.org>
To: Dan Brickley <danbri@danbri.org>

We had a number of numeric terms that we could not store as RDF/XML  
'in their native form' the way we wanted, so they were published with  
an underscore in front and a prefLabel attribute. Don't know if that's  
the question you asked, but addresses the point of whether people  
really run into this. I agree it's a problem with RDF/XML and  
shouldn't be worked around in OWL.


On Jan 27, 2009, at 11:54 PM, Dan Brickley wrote:

> On 28/1/09 02:12, Alan Ruttenberg wrote:
>> The "possible" refers to the cases where RDF/XML can't serialize RDF,
>> for instance in the cases that predicates whose URIs localnames begin
>> with a number. In those cases one can't construct a qname for the URI
>> and since predicates are always written as tags in RDF/XML this just
>> can't be serialized in RDF/XML.
>> So "possible" means possible in the absolute sense.
> Another potential work-around here is for the exporting system to  
> generate a new (eg. tag: URI) property name, declare it as an  
> equivalent-property of the original, and serialize using that. This  
> does somewhat distort the original content, of course.
> Have any of these problematic properties been spotted "in the wild"?  
> Perhaps it would be possible to probe Sindice or other crawlers,  
> although of course if the data isn't publish-able in RDF/XML that  
> would affect the stats. Still there is N3, Turtle etc data out there.
> cheers,
> Dan
Received on Wednesday, 28 January 2009 16:38:08 UTC

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