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[protege-owl] OWL annotation properties

Dário Abdulrehman dario.rehman at
Tue Jul 6 13:56:46 PDT 2010

I would like to attach access control information to classes (i.e., who can
view, update, etc., the information) and it would be nice if that data could
be inherited. Since that information is metadata, I thought that the
annotation properties could be used for that purpose.  Perhaps they should
be modeled as object properties.

Best regards,

On Tue, Jul 6, 2010 at 9:38 PM, Thomas Russ <tar at> wrote:

> On Jul 6, 2010, at 10:07 AM, Dário Abdulrehman wrote:
>  Supposing 'A' is a class with some annotation properties, and a reasoner
>> infers 'B' to be a subclass of 'A'.
>> Are the annotation properties inherited?
> No.
> Annotation properties apply only to the object that they are annotating.
>  For example, one possible annotation property would be "createdOn" with the
> date and time that the class was created.  If you then created a subclass,
> you would want to have a separate "createdOn" annotation and not inherit the
> one of your superclass.  That is the type of thing annotation properties are
> designed to support.  Annotations that apply precisely to the object
> annotated.
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