Computer Science, asked by binduravishankar1, 1 year ago

What is the meaning of isa and instance relationship in artificial intelligence and difference between them?

Answers

Answered by abhaybhardwaj2065
5
Isa and instance relationships

Two attributes isa and instance play an important role in many aspects of knowledge representation.

The reason for this is that they support property inheritance.

isa-- used to show class inclusion, e.g.isa(mega_star,rich).

instance-- used to show class membership, e.g.instance(prince,mega_star).

From the above it should be simple to see how to represent these in predicate logic.

Answered by gratefuljarette
7

The relationship of Isa and instance in artificial intelligence represents the semantic representation of the network.

Explanation:

  • In the knowledge representation of machines there various representations of a network of knowledge. The semantic representation consists of object and arc nodes.
  • The relationship that is consisted of this network is the Isa-instance relationship. This relation has the ability to inherit parent class attributes. The difference between the relationships is that

Isa: It represents the class of an object.

Instance: It represents the thing that belongs to a class of a particular object.

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