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Punning on ontology IRIs in OWL 2 DL

From: Michael Schneider <schneid@fzi.de>
Date: Mon, 17 Jan 2011 13:25:05 +0000
To: Public Owl Mailing List <public-owl-dev@w3.org>
Message-ID: <D951F012D98783438CFE1553243F2D4F014C84@ex-ms-1a.fzi.de>

Can anyone please confirm or refute the following assumptions?

I believe that OWL 2 DL allows to pun on ontology IRIs. For example, it seems to be syntactically allowed (or better: not forbidden) to write:

  ex:o rdf:type owl:Ontology .

  ex:C rdf:type owl:Class .
  ex:p rdf:type owl:ObjectProperty .

  ex:o rdf:type ex:C .
  ex:o ex:p ex:foo .

I further believe that the latter two axioms would have semantic consequences, since they actually seem to be assertions about some regular individual referred to by the IRI "ex:o".

As a use case, this would make sense if an ontology contains ontology "annotations" using the DC vocabulary terms, while (re-)declaring the different DC terms to be regular classes, object properties, and data properties.


Dipl.-Inform. Michael Schneider
Research Scientist, Information Process Engineering (IPE)
Tel  : +49-721-9654-726
Fax  : +49-721-9654-727
Email: michael.schneider@fzi.de
WWW  : http://www.fzi.de/michael.schneider

FZI Forschungszentrum Informatik an der Universität Karlsruhe
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Vorsitzender des Kuratoriums: Ministerialdirigent Günther Leßnerkraus

Received on Monday, 17 January 2011 13:26:01 UTC

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