Explanation: Forward and backward state-space search are particular forms of totally ordered plan search. 5. Planning graphs consists of
A. a sequence of levels
B. a sequence of levels which corresponds to time steps in the plan
C. a sequence of actions which corresponds to the state of the system
D. None of the mentioned
Answer:A
Explanation: Forward and backward state-space search are particular forms of totally ordered plan search. 5. Planning graphs consists of
A. a sequence of levels B. a sequence of levels which corresponds to time steps in the plan C. a sequence of actions which corresponds to the state of the system D. None of the mentioned
Explanation: Planning graphs is a sequence of levels, which corresponds to time steps in the plan where level 0 is the initial state at start. 6. Planning graphs works only for prepositional planning problems.