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Artificial Intelligence Practice Test Questions: Knowledge and Reasoning
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Knowledge representation and reasoning (KRR, KR&R, KR²) is the field of artificial intelligence (AI) dedicated to representing information about the world in a form that a computer system can use to solve complex tasks

Topics include: Knowledge and Reasoning, Inference in First-Order Logic, Rule Based System , Semantic Net, Frames, Unification and Lifting.

Artificial Intelligence Practice Test Questions: Knowledge and Reasoning
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25 Questions

1. What is meant by predicate indexing?
2. What is Meronymy relation?
3. A knowledge-based agent can combine general knowledge with current percepts to infer hidden aspects of the current state prior to selecting actions.
4. A knowledge engineer has the job of extracting knowledge from an expert and building the expert system knowledge base.
5. PXDES is medical expert system, for diagnosis of lung disease.
6. What are Semantic Networks?
7. A semantic network is used when one has knowledge that is best understood as a set of concepts that are related to one another.
8. Frames in artificial intelligence is derived from semantic nets.
9. An expert system is a computer program that contains some of the subject-specific knowledge of one or more human experts.
10. The rule of Universal Instantiation (UI for short) says that we can infer any sentence obtained by substituting a ground term (a term without variables) for the variable.
11. Basic idea of an partitioned nets is to break network into spaces which consist of groups of nodes and arcs and regard each space as a node.
12. What is Hypernym relation?
13. Which of the following are the Semantic Relations used in Semantic Networks?
14. Graph used to represent semantic network is _____________
15. Which is not a property of representation of knowledge?
16. A rule-based system consists of a bunch of IF-THEN rules.
17. A Horn clause is a clause with _______ positive literal.
18. An inference algorithm that derives only entailed sentences is called sound or truth-preserving.
19. Which is a lifted version of modus ponens?
20. Which of the following is not the style of inference?
21. ARGEX is an agricultural expert system that gives correct advice to farmers.
22. A) Knowledge base (KB) is consists of set of statements.
B) Inference is deriving a new sentence from the KB.
Choose the correct option.
23. Knowledge and reasoning also play a crucial role in dealing with __________________ environment.
24. MYSIN attempts to recommend appropriate therapies for patients with bacterial infections.
25. In order to utilize generalized Modus Ponens, all sentences in the KB must be in the form of Horn sentences.