Decision-Theoretic Plan Failure Debugging and Repair

Lisa J. Burnell

A number of strategies exist for the recovery from execution-time plan failures. One manner in which these strategies differ is the degree of dependence on the reliability and availability of the planner’s knowledge. The best strategy, however, may be dependent on a number of considerations, including the type of plan failure, the criticality of the failure, the availability of resources, and the reliability and availability of the knowledge involved in a given plan failure instance. We are examining a decision-theoretic approach to diagnose plan fakes and to dynamically select fkom multiple failure recovery strategies when an execution-time plan failure occurs.

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