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Kind of subclass on which entity become part of subclass by putting some condition on attribute values is classified as

In process of specialization, subclasses are attached by

Type of lattice in which a subclass can be class or subclass in more than one association of subclasses is classified as

Hierarchy in which each subclass participates in one subclass relationship is classified as

Possible specialization constraint includes

According to enhanced-entity relationships, association between super class and subclass is as

Kind of class whose entities belongs to some other data class is called

Category which considers subset of union of entities included in super class is classified

Considering abstraction concepts, process of assigning similar entities to similar entity types systematically is called

Concept which describes domain of knowledge is considered as