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RE: an algorith to query triple stores in SQL

From: Ashley Yakeley <ashley@semantic.org>
Date: Wed, 4 Sep 2002 14:56:34 -0700
Message-Id: <200209042156.OAA20880@mail4.halcyon.com>
To: "RDF Interest Group" <www-rdf-interest@w3.org>

At 2002-09-04 06:51, by way of "Ralph R. Swick" <swick@w3.org> wrote:

>Suppose you are asking an ontology that holds information on multinational
>companies with a hierarchical relation between them:
>
>(A class company)
>(B class company)
>(C class company)
>(B purchasedBy A)
>(C purchasedBy B)
>
>in this model someone  that works for C works for A too. How do you manage
>this?. In general, how do you manage the problem of inheritance, which is
>recursive with the proposed schema ?

It might be interesting to declare certain properties "heritable" via 
certain other properties. For instance,

  <rdf:Description 
rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#type">
    <inheritsVia 
rdf:resource="http://www.w3.org/2000/01/rdf-schema#subClassOf"/>
  </rdf:Description>


-- 
Ashley Yakeley, Seattle WA
Almost empty page: <http://semantic.org/>
Received on Wednesday, 4 September 2002 17:56:37 GMT

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