Question 11 : How many possible sources of complexity are there in forward chaining?
1. 1
2. 2
3. 3
4. 4
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Question 12 : Which will solve the conjuncts of the rule so that the total cost is minimized?
1. Constraint variable
2. Conjunct ordering
3. Data complexity
4. All of the mentioned
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Question 13 : From where did the new fact inferred on new iteration is derived?
1. Old fact
2. Narrow fact
3. New fact
4. All of the mentioned
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Question 14 : How to eliminate the redundant rule matching attempts in the forward chaining?
1. Decremental forward chaining
2. Incremental forward chaining
3. Data complexity
4. None of the mentioned
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Question 15 : Which knowledge base is called as fixed point?
1. First-order definite clause are similar to propositional forward chaining
2. First-order definite clause are mismatch to propositional forward chaining
3. All of the mentioned
4. None of the mentioned
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Question 16 : Which will be the instance of the class datalog knowledge bases?
1. Variables
2. No function symbols
3. First-order definite clauses
4. None of the mentioned
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Question 17 : Which are more suitable normal form to be used with definite clause?
1. Positive literal
2. Negative literal
3. Generalized modus ponens
4. Neutral literal
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Question 18 : What is the condition of variables in first-order literals?
1. Existentially quantified
2. Universally quantified
3. Both Existentially & Universally quantified
4. None of the mentioned
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Question 19 : Which closely resembles propositional definite clause?
1. Resolution
2. Inference
3. Conjunction
4. First-order definite clauses
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Question 20 : Which condition is used to cease the growth of forward chaining?
1. Atomic sentences
2. Complex sentences
3. No further inference
4. All of the mentioned
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