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[protege-owl] Help with a Restriction

William Koscho wkoscho at
Thu Apr 22 10:40:25 PDT 2010

I'm using Protege 4.1 with Pellet, which both support OWL2.  How do I
access a View in P4 for specifying those restrictions; I cannot seem
to find it?  Do I need the Anonymous Class plugin?

thanks again

On Thu, Apr 22, 2010 at 1:23 PM, Thomas Russ <tar at> wrote:
> On Apr 22, 2010, at 9:36 AM, William Koscho wrote:
>> I'm modeling a few software architecture concepts and am having
>> trouble with one particular restriction that I'm hoping someone can
>> help with?
>> I want to restrict a Port to only bindTo another Port that is
>> exposedBy the parent Component.
> I think you are out of luck here.
> One of the modeling limitations of the OWL 1.0 language is that you can't
> express constraints across more than one property.  Also OWL 1.0 doesn't
> support role chains.
> In OWL 2.0 there is a limited ability to do this with the "self" relation.
> So in OWL 1.0 I don't think you have any way of saying this, since you want
> to constrain both the values of both the   bindTo and a role chain
> (belongsTo exposesPort).
> In OWL 2.0 you are almost able to do this by something like
>   ObjectHasSelf(PropertyChain(belongsTo, exposesPort, bindTo))
> But I'm fairly sure that the ObjectHasSelf can only take simple property
> expressions and not those that are defined by a property chain.
> [Note that I haven't really done much OWL 2.0 modeling, so I may be wrong).]
> So the bottom line is that you can't express this restriction in OWL.
>> My ontology is defined as follows:
>> There are 2 sibling classes:
>>  Component
>>  Port
>> There are 3 properties with the following domain/ranges:
>>  Component exposes Port (inverse-of exposedBy)
>>  Port exposedBy Component (inverse-of exposes)
>>  Component composedOf Component (inverse-of belongsTo)
>>  Component belongsTo Component (inverse-of composedOf)
>>  Port bindTo Port
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