ISSUE-149

OWL 2 RL errors

RESOLVED: Some problems with OWL 2 RL

State:
CLOSED
Product:
Raised by:
Boris Motik
Opened on:
2008-10-19
Description:
OWL 2 RL currently exhibits some problems.

On the DL side, the Profile currently disallows the usage of SomeValuesFrom( R owl:Thing) on the left-hand side of the axioms. This is regrettable and should be fixed: just think of axioms of the form

SubClassOf( SomeValuesFrom( a:hasChild owl:Thing ) a:Parent )

On the RDF side, the set of OWL 2 RL/RDF rules currently does not contain an axiomatization of the built-in entities, such as owl:Thing, owl:Nothing, and top/bottom properties.
Related Actions Items:
No related actions
Related emails:
  1. ISSUE-149 (OWL 2 RL errors): Some problems with OWL 2 RL (from sysbot+tracker@w3.org on 2008-10-19)

Related notes:

2008-10-24 11:12:54: Close by adding rules that axiomatise built-in entities (Thing, Nothing, etc) along with a new subsection that discusses how implementations could be optimised to deal with rules that potentially introduce large numbers of triples; AND fix the profile specification to allow the usage of SomeValuesFrom( R owl:Thing) on the left-hand side of the axioms.
See: http://www.w3.org/2007/OWL/meeting/2008-10-24#resolution_6
[Ian Horrocks]

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Ian Horrocks <ian.horrocks@comlab.ox.ac.uk>, Alan Ruttenberg <alanruttenberg@gmail.com>, Chairs, Ivan Herman <ivan@w3.org>, Sandro Hawke <sandro@w3.org>, Staff Contacts
Tracker, originally developed by Dean Jackson, is developed and maintained by the Systems Team <w3t-sys@w3.org>.
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