Question

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 mentioned

I had been asked this question in final exam.

The above asked question is from Forward Chaining in section Logical Agents of Artificial Intelligence

Select the correct answer from above options

Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

Answer 1

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.