Download powerpoint slides , reason-schemas . LISP code and problem-set can be downloaded below. We must worry about the probability that the goals will be achieved, the value of the goals, and the execution costs. A general theory of decision theoretic planning is developed. Download powerpoint slides .
Practical cognition makes choices based upon information supplied by epistemic cognition.
Most of the work in rational cognition is carried out by epistemic cognition, and must be done defeasibly. Sophisticated agents operating in complex environments cannot plan by using conventional planning algorithms that produce r.e. sets of solutions. However, the ideas underlying conventional planning algorithms can be resurrected as defeasible principles for reasoning about plans. Defeasible principles of deterministic planning can be generalized to produce defeasible principles of decision-theoretic planning. An efficient computation of the expected value of the master plan can be done defeasibly.