that we can attribute to an eagle, for example his parents were eagles, he is a bird, he is a meat eater and so on. It is a special kind of is a relationship. Its noted Concept assertion () in Description logics, a family of logic based on classes, class assertion

Relationships

Ontologies vary on whether classes can contain other classes, whether a class can belong to itself, whether there is a universal class

1.Previous
3.Next