In categorization, what is meant by the property of selective type inheritance?

QUESTION: In categorization, what is meant by the property of selective type inheritance?   [signinlocker] SOLUTION   Members of the category (subclass) selectively inherit attributes and relationships of the superclass entity based on the SC/sc relationship...

What is the difference between a specialization hierarchy and a specialization lattice?

QUESTION: What is the difference between a specialization hierarchy and a specialization lattice?   [signinlocker] SOLUTION   In a specialization hierarchy, an entity type can participate as a subclass in only one specialization. In a specialization lattice,...