Hi Folks,
I am new to TopBraid and OWL generally so please forgive my ignorance.
I am trying to develop an example ontology for an inventory of car parts.
For example, let's say I have classes for:
Car
Engine
EngineInternal
EngineCylinderhead
EngineIntake
Part
Where Cars have Engines, Engines have Internal, Cylinderhead and Intake
components. Parts is general class for all parts.
I want to express the parts break down using isPartOf , isDirectPartOf
relations, so I can find "all Engine Parts", for example.
To do this I have defined the properties:
*isPartOf *as transitive
*isDirectPartOf* as a subproperty of *isPartOf*. It is NOT
transitive.
How do I best apply the isDirectPartOf? Must I apply the property to both
Classes and Instances as it appears to state in the W3 guidance?
http://www.w3.org/2001/sw/BestPractices/OEP/SimplePartWhole/simple-part-whole-relations-v1.3.html
(see Pattern1 for an inventory approach)
If I create and instance of a Car (Car-1), an Engine (Engine-1), a
Cylinderhead (Cylinderhead-1) and a Part (Part-1) I can make the instance
Part-1 have property isDirectPartOf CylinderHead-1, CylinderHead-1
isDirectPartOf Engine-1, Engine-1 isDirectPartOf Car-1, and the parts roll
up as expected. But is this the correct approach? Shouldn't I also have
SubClassOf relations like "Engine isDirectPartOf some Car" ?
How best to do this in TopBraid?
I look forward to any advice or examples you can provide.
Cheers,
Tim
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