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Which will be the instance of the class datalog knowledge bases?(a) Variables(b) No function symbols(c) First-order definite clauses(d) None of the mentionedI had been asked this question in final exam.The above asked question is from Forward Chaining in section Logical Agents of Artificial Intelligence

Answer»

Correct ANSWER is (b) No function symbols

To elaborate: If the knowledge BASE contains no function symbols MEANS, it is an INSTANCE of the class DATALOG knowledge base.



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