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Re: Sesame's interpretation of RDF Schema

From: Brian McBride <bwm@hplb.hpl.hp.com>
Date: Fri, 27 Apr 2001 10:16:57 +0100
Message-ID: <3AE93909.BD7E27D2@hplb.hpl.hp.com>
To: Arjohn Kampman <akam@aidministrator.nl>
CC: www-rdf-comments@w3.org

The RDFCore maintains a list of issues which it will consider as it
undertakes its work.  There is an issue related to the semantics of
domain and range:


I have added a reference to your message, and thus your document under
this issue to ensure that it is considered by the WG.

If there are any other issues to which this document is related or
any new issues that should be added, please let me know.


Arjohn Kampman wrote:
> Dear all,
> A few days ago, I've already posted this message to rdf-logic. However,
> a number of people pointed out to me that rdf-comments would be a better
> place for it. Sorry for cross-posting this message.
> A couple of weeks ago we announced Sesame, an RDF Schema querying and
> storing service [1]. A number of people responded to our announcement
> asking how it handles things like multiple domain and range restrictions.
> We also received a number of more basic questions on RDF and RDF Schema.
> In response to these questions, we composed a small document containing
> a quick introduction on RDF and ontologies and a description of how Sesame
> interprets RDF Schema. We think the document is worth reading even for
> experts on the subject and we would welcome any feedback on the decisions
> that we have made.
> Subjects that are covered include:
> - Why each ontology contains the classes rdfs:Resource and rdfs:Literal.
> - Why these two classes are the two root for class hierarchies.
> - Why we use intersetion semantics for domain and range restrictions.
> - The consequences of using intersection semantics for ontology creation.
> The document is available in both HTML and PDF:
> http://sesame.aidministrator.nl/doc/rdf-interpretation.html
> http://sesame.aidministrator.nl/doc/rdf-interpretation.pdf
> We would welcome any feedback and/or discussion,
> Arjohn Kampman
> [1] http://lists.w3.org/Archives/Public/www-rdf-interest/2001Mar/0203.html
> --
> arjohn.kampman@aidministrator.nl
> aidministrator nederland b.v.  -  http://www.aidministrator.nl/
> prinses julianaplein 14-b, 3817 cs amersfoort, the netherlands
> tel. +31-(0)33-4659987   fax. +31-(0)33-4659987
Received on Friday, 27 April 2001 05:17:27 UTC

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