orphan class?

[Dalia Varanka]

Hello

EDG identified a problem for me, where ud:ClauseModifier is a subclasses of ud:Clause, but doesn't appear in the Class Hierarchy panel. The suggestion is to set the type of ud:ClauseModifier to Class. When I click on the link in the error message, ud:ClauseModifier appears in the Form panel, but it has an orange diamond icon and the only properties I can edit are labels and comments of the Definition.  

If I try to create ud:ClauseModifier as a subclass of ud:Clause, I just get the same orange icon and Definition fields.  

What does the invisible subclass with the orange diamond icon indicate?  How can I move it into a class?

Thanks for considering it

Dalia

[Holger Knublauch]

It sounds as if ud:ClauseModifier does not have the expected rdf:type that would turn it into a class, e.g. owl:Class, rdfs:Class or dash:ShapeClass. The orange icon indicates that it has some other type. The Source Code panel would show the details, and if you're stuck I would suggest you copy and paste the content on the Source Code panel into an email here.

But the suggestion to set the type to Class (owl:Class) sounds sensible. Have you tried that and what happens?

If you're creating a new class, it usually tries to reuse the same metaclass as the parent class. So if ud:Clause has some other type then a newly created subclass would get the same type. What is the type of ud:Clause? It may be some other metaclass that is lacking an rdfs:subClassOf triple to rdfs:Class.

Holger

Thanks for considering it

Dalia

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[Dalia Varanka]

Great explanation! Thank you

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