Ontologies

Design components

Define classes

• May be abstract (non-instantiable).
• May be definitionally disjoint.
• Assure differentiation.
• Promote stable instantiation.
• Promote relevance.

Define inheritances

• May be multiple.
• Assure transitivity.
• Prevent cyclicality.
• Promote sibling similarity in degree of generality.
• Promote moderate breadth.