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Knowledge Acquisition and Representation in Artificial Intelligence

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Knowledge Acquisition and Representation in Artificial Intelligence

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Questions and Answers

What is the main purpose of knowledge acquisition in the context of knowledge engineering?

To interview human experts
To represent knowledge using logic
To store facts and rules about the domain
To elicit the required knowledge (correct)

Which aspect is NOT covered by knowledge representation (KR) techniques?

Vocabulary usage
Semantics
Syntax
Guidance on expressing facts (correct)

What is the purpose of a knowledge base in knowledge engineering?

To conduct interviews with human experts
To evaluate logical reasoning
To represent sentences in a language
To store facts and rules about the domain (correct)

In the context of knowledge engineering, what are individual representations referred to as?

Sentences (C) Signup and view all the answers

Which component is NOT included in the elements of knowledge representation techniques?

Vocabulary selection guidance (B) Signup and view all the answers

What is the defining characteristic of entailment?

Generating new sentences that are necessarily true (A) Signup and view all the answers

When does KB entail α (KB |= α)?

If the conclusion α is true in every logically possible worlds (B) Signup and view all the answers

What does it mean when Q is derived from KB (KB |- Q)?

There is a proof starting from KB leading to Q (A) Signup and view all the answers

In entailment, what type of new sentences are generated?

Necessarily true sentences (D) Signup and view all the answers

What does entailment mirror in terms of relations between facts?

Relations of one fact following from another (A) Signup and view all the answers