Explanation: None. 6. Forward chaining systems are _______________, where as backward chaining systems are _______________.
A. Goal-driven, goal-driven
B. Goal-driven, data-driven
C. Data-driven, goal-driven
D. Data-driven, data-driven
Answer:A
Explanation: None. 6. Forward chaining systems are _______________, where as backward chaining systems are _______________.
A. Goal-driven, goal-driven B. Goal-driven, data-driven C. Data-driven, goal-driven D. Data-driven, data-driven
Explanation: None. 7. A Horn clause is a clause with _______ positive literal.