Re: Schema.org in RDF ...

Far as I can see, one could simply delete every range-string triple. Nothing would break in the RDFS by doing this, and AFIKS nothing is gained from having these range assertions. 

Pat

On Jun 4, 2011, at 4:39 AM, Hugh Glaser wrote:

> Sure does rock.
> As you know, I never venture into ontology definition, to avoid displaying my ignorance, but now and then... :-)
> Suggestion:
> 
> The RDFS will (I think!) perpetuate the classic problem (being a natural translation), in that there are lots of range strings.
> For example:
> schema:currenciesAccepted a rdf:Property;
>    rdfs:label "Currencies Accepted"@en;
>    rdfs:comment "The currency accepted (in ISO 4217 currency format)."@en;
>    rdfs:domain schema:LocalBusiness;
>    rdfs:range xsd:string;
>    rdfs:isDefinedBy <http://schema.org/currenciesAccepted>;
>    .
> and
> schema:headline a rdf:Property;
>    rdfs:label "Headline"@en;
>    rdfs:comment "Headline of the article"@en;
>    rdfs:domain schema:CreativeWork;
>    rdfs:range xsd:string;
>    rdfs:isDefinedBy <http://schema.org/headline>;
>    .
> And even productID
> 
> I count 53  "rdfs:range xsd:string" and 8 "rdfs:range [ owl:unionOf (xsd:decimal xsd:string) ]" of this kind.
> 
> As I say, I think that means that to conform, I can't have a Resource as Range.
> So it is institutionalising a Bad Thing, simply because schema.org says that, for example, "productID" is "text".
> 
> Of course, people who use http://schema.rdfs.org/ probably will use Resources for places, currencies, etc, (as they should) so maybe the RDFS needs to reflect this?
> 
> Won't try and suggest...
> 
> Best
> Hugh
> 
> On 3 Jun 2011, at 22:06, Michael Hausenblas wrote:
> 
>> 
>> http://schema.rdfs.org
>> 
>> ... is now available - we're sorry for the delay ;)
>> 
>> Cheers,
>> 	Michael
>> --
>> Dr. Michael Hausenblas, Research Fellow
>> LiDRC - Linked Data Research Centre
>> DERI - Digital Enterprise Research Institute
>> NUIG - National University of Ireland, Galway
>> Ireland, Europe
>> Tel. +353 91 495730
>> http://linkeddata.deri.ie/
>> http://sw-app.org/about.html
>> 
>> 
> 
> -- 
> Hugh Glaser,  
>              Intelligence, Agents, Multimedia
>              School of Electronics and Computer Science,
>              University of Southampton,
>              Southampton SO17 1BJ
> Work: +44 23 8059 3670, Fax: +44 23 8059 3045
> Mobile: +44 75 9533 4155 , Home: +44 23 8061 5652
> http://www.ecs.soton.ac.uk/~hg/
> 
> 
> 
> 

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Received on Saturday, 4 June 2011 15:36:50 UTC