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AI Magazine 

SP2.0 is a new version of the heuristic HSP2.0 can specify the state space to be The syntax for the instance and domain files is given by the PDDL standard. HSP2.0, the search can be done either forward For example, it can tell HSP2.0 to HSP2.0 ran three options concurrently for three The choice for the three-minute threshold was empirical, following the observation that the regression search most often solved problems quickly or didn't solve them at all. The states s S are collections of atoms from A. S2. The actions a A(s) are the operators op O such that Prec(op) s. The transition function f maps states s into states s′ s - Del(a) Add(a) for a A(s).