Re: What is it that's wrong with rdf:List [summary]

On Jun 22, 2010, at 6:57 AM, Michael Schneider wrote:

> Antoine Zimmermann wrote:
>
>> Le 22/06/2010 11:55, Michael Schneider a écrit :
>>>
>>> Does anyone know of any other vocabularies that use RDF lists beyond
>> the use
>>> as argument lists for OWL constructs?
>>
>> The Bibo ontology has properties "authorList", "contributorList" and
>> "editorList" that have rdf:List as their ranges.
>
> Thanks, I was able to find it! I am adding the links:
>
>    Homepage: <http://bibliontology.com/>
>    Ontology:
> <http://bibotools.googlecode.com/svn/bibo-ontology/tags/1.3/bibo.xml.owl 
> >
>
> Btw, I can see that it is not only lists:
>
>    <owl:ObjectProperty rdf:about="authorList">
>        <!-- some stuff removed -->
>        <rdfs:range>
>            <owl:Class>
>                <owl:unionOf rdf:parseType="Collection">
>                    <rdf:Description rdf:about="&rdf;List"/>
>                    <rdf:Description rdf:about="&rdf;Seq"/>
>                </owl:unionOf>
>            </owl:Class>
>        </rdfs:range>
>    </owl:ObjectProperty>
>
> Which brings us to the next question: What is it that's wrong with RDF
> containers (rdf:Seq and friends)? :-)

Oh, that is easy and has nothing to do with OWL. There is no way to  
say that a container has some things in it *and no others*. That is,  
there is no way to 'close' a container. IT is always consistent that  
it might have something else in it that nobody has mentioned yet.  
LIsts have 'nil' at the end, but containers have no such end marker.

Pat

>
> Michael
>
> --
> Dipl.-Inform. Michael Schneider
> Research Scientist, Information Process Engineering (IPE)
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Received on Tuesday, 22 June 2010 14:44:34 UTC