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Re: typed containers in RDFS: suggestions about the "long range" problem

From: Brian McBride <bwm@hplb.hpl.hp.com>
Date: Mon, 14 Apr 2003 14:03:19 +0100
Message-Id: <5.1.0.14.0.20030414135922.03bbbf10@localhost>
To: Francesco CannistrÓ <fracan@inwind.it>, <www-rdf-interest@w3.org>

At 22:44 10/04/2003 +0200, Francesco CannistrÓ wrote:
>Hello Brian,
>
> > Please do not crosspost replies to rdf-interest and rdf-comments.
> > Please pick a list and don't cross post.
>
>sorry, I'll do so :-)

Thanks

[...]

>b) for Apple typed bags:
>
>      <rdf:Description rdf:ID="setOfApples">
>          <rdf:type
>rdf:resource="http://www.w3.org/2000/01/rdf-schema#Property" />
>          <rdfs:domain rdf:resource="#setOfApplesDomain" />
>          <rdfs:range rdf:resource="#BagOfPerson" />

I assume a typo and that should be #BagOfApples

>      </rdf:Description>
>
>      <rdf:Description
>rdf:about="http://www.w3.org/2000/01/rdf-schema#member">
>          <rdf:type
>rdf:resource="http://www.w3.org/2000/01/rdf-schema#Property" />
>          <rdfs:domain rdf:resource="#setOfApples" />
>          <rdfs:range rdf:resource="#Person" />

And again that should be #Apple

>Is it reasonable ???

If my corrections are correct, then you have restricted the range of 
rdfs:member to be instances of both Person and Apple, i.e. an RDFS 
processer will conclude that all persons in a  bag are also apples.

Brian
Received on Monday, 14 April 2003 09:04:09 GMT

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