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The TOAD Planning System

TOAD is a planning system for Totally Ordered (TO) HTN planning. It translates the problem to a classical planning problem. For a subclass of TO problems, this is possible without relaxation, e.g., the solution found for the generated classical problem is guaranteed to be a solution for the HTN planning problem. Due to the differences in expressivity, this is not always possible. When it is not, the problem is transformed into a classical planning problem that has a superset of solutions, i.e. the plan found by the classical problem is not necessarily a solution for the HTN planning problem. TOAD provides a verification mechanism to check whether it is a plan or not.

To use the planner, perform the following steps:

Please cite the following when referencing TOAD: