Contrast categorization and aggregation?

QUESTION: Contrast categorization and aggregation?   [signinlocker] SOLUTION   In a categorization, an entity that is a member of a category (subclass) must exist in only one of its superclasses. In aggregation, the aggregate (subclass) must contain superclass entities from all SC/sc relationships in which...
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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 in the categorization in which the member participates. [/signinlocker]
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What is the difference between a total category and a partial category?

QUESTION: What is the difference between a total category and a partial category?   [signinlocker] SOLUTION   A total category occurs when the completeness constraint for all superclasses in the categorization exhibits total participation, while a partial category occurs when the completeness constraint is partial....
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How does categorization differ from specialization?

QUESTION: How does categorization differ from specialization?   [signinlocker] SOLUTION   There is only one superclass and one or more subclasses in a specialization, while a categorization has only one subclass and one or more superclasses. [/signinlocker]
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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, an entity type can participate as a subclass...
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