(cc'ing the DBpedia ontology list)
Thank you Heiko for identifying the inconsistencies a big thank to Aldo for
taking the effort of creating the original mappings.
personally, I am not aware of any changes to the mappings (subClassOF /
equivalentClass/Property) but I was not so involved in the releases before
2015-04
Markus and I have the overview of the current releases but we are not dolce
experts and not sure how to proceed here.
They way I see it we need 2 things here:
1) identifying the errors &
2) fixing them
looks like Heiko has something wrt (1) that we can reuse for the following
release.
We need help with (2) though.
If the mapping flexibility is an issue I would suggest to keep these
mappings out of the mappings wiki.
We plan to move the ontology out of the wiki as well when we switch to RML
so it is something we will do anyway
Any other suggestions / feedback?
Cheers,
Dimitris
On Wed, Oct 26, 2016 at 6:35 AM, Aldo Gangemi <aldo.gang...@cnr.it> wrote:
> Hi, thanks Heiko for spotting this. BTW in the original mappings for
> version 3.9 those axioms were all subClassOf. Probably something has gone
> weird in the versioning.
>
> My proposal, which I made two years ago, is that, since DOLCE mappings
> have the main goal to help integrity checking or top-level querying, they
> should be revised shortly before each new DBpedia ontology release, so that
> no incoherences are accidentally introduced in the release.
>
> In fact, even with 3.9, some changes were made to the ontology after I
> sent out the mappings, and some (just a few) axioms, which were defined
> with unions, were removed, probably because unions were not intended to be
> enforced in DBpedia.
>
> In absence of a clear management of top level mappings, I still hesitate
> to update them, although there is a clear need to do it.
> Cheers
> Aldo
>
> > On 26 Oct 2016, at 15:23, Heiko Paulheim <he...@informatik.uni-
> mannheim.de> wrote:
> >
> > Hi all,
> >
> > I've recognized that in the latest DBpedia ontology (and maybe also in
> previous versions), there are a few questionable equivalence statements, as
> listed below.
> >
> > Note that, among other problems, those axioms imply that each MusicGenre
> is a GovernmentType and vice versa, that each Year is a Holiday and vice
> versa, etc. Moreover, some classes, such as MusicGenre, become
> unsatisfiable when the DUL/D0 ontologies are used in a reasoner.
> >
> > How did those mappings get in? Shouldn't we replace them with subClassOf
> axioms?
> >
> > Best,
> >
> > Heiko
> >
> >
> > dbo:Ideology owl:equivalentClass d0:CognitiveEntity
> > dbo:Monastery owl:equivalentClass d0:Location
> > dbo:Tax owl:equivalentClass dul:Description
> > dbo:GovernmentType owl:equivalentClass dul:Concept
> > dbo:Sales owl:equivalentClass dul:Situation
> > dbo:Database owl:equivalentClass dul:InformationObject
> > dbo:Holiday owl:equivalentClass dul:TimeInterval
> > dbo:MeanOfTransportation owl:equivalentClass dul:DesignedArtifact
> > dbo:UnitOfWork owl:equivalentClass dul:Situation
> > dbo:PenaltyShootOut owl:equivalentClass dul:Event
> > dbo:MusicGenre owl:equivalentClass dul:Concept
> > dbo:Year owl:equivalentClass dul:TimeInterval
> > dbo:Food owl:equivalentClass dul:FunctionalSubstance
> > dbo:Project owl:equivalentClass dul:PlanExecution
> > dbo:List owl:equivalentClass dul:Collection
> > dbo:Organisation owl:equivalentClass dul:SocialPerson
> > dbo:Unknown owl:equivalentClass dul:Entity
> > dbo:Polyhedron owl:equivalentClass dul:SpaceRegion
> > dbo:LegalCase owl:equivalentClass dul:Situation
> >
> >
> >
> > --
> > Prof. Dr. Heiko Paulheim
> > Data and Web Science Group
> > University of Mannheim
> > Phone: +49 621 181 2661
> > B6, 26, Room C1.09
> > D-68159 Mannheim
> >
> > Mail: he...@informatik.uni-mannheim.de
> > Web: www.heikopaulheim.com
> >
>
>
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--
Kontokostas Dimitris
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