Re: RDF Schema abstract

On 28-11-13 06:00, Pat Hayes wrote:
> To me, the idea that entities and relationships were invented by Peter Chen in 1958 is a bit like saying that Bill Gates invented numbers. But more seriously, see below
>
> On Nov 27, 2013, at 4:15 PM, Guus Schreiber <guus.schreiber@vu.nl> wrote:
>
>> I'm doing the final changes on the RDF Schema draft. I wanted to run one thing first by the WG, namely the one-sentence abstract of what RDF Schema is.
>>
>> One option is to take the characterization given in the Semantics document:
>>
>>   RDF Schema extends RDF to a larger vocabulary with more
>>   complex semantic constraints.
>>
>> However, I think using the term "vocabulary" in this way will confuse people with a data-modelling background. Taking a data-modelling perspective RDF Schema should probably be seen as a Enhanced Entity Relationship data-modelling language [1]. I therefore propose the following abstract:
>>
>>   RDF Schema provides a data-modelling vocabulary for RDF data.
>
> I know this says "a" rather than "the", but its being in the spec surely suggests that RDFS is somehow singled out as being the correct or primary or basic data-modelling vocabulary, which is potentially misleading. Suggest a slight modification along these lines:
>
>> RDF Schema provides a simple data-modelling vocabulary for RDF data. Other publications, including SKOS [ ] and the W3C Recommendation OWL2 [ ], define more elaborate data models which extend RDFS in various ways.

I prefer to leave "simple" out. RDFS is not simple, mainly because it 
has the notion of sub-property, which is a powerful mechnism not present 
in most data-moelling languages (UML has the notion of "Association 
Class", but that is less flexible).

Also, "simple" has a subjective connotation.

Guus

>
> Pat
>
>
>>
>>
>> Feedback appreciated.
>>
>> Guus
>>
>> [1] http://en.wikipedia.org/wiki/Enhanced_entity%E2%80%93relationship_model
>>
>>
>>
>
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Received on Thursday, 28 November 2013 10:13:08 UTC