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2007

A Logic-Based Approach to Finding Explanations for Discrepancies in Optimistic Plan Execution

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A Logic-Based Approach to Finding Explanations for Discrepancies in Optimistic Plan Execution
Abstract. Consider an agent executing a plan with nondeterministic actions, in a dynamic environment, which might fail. Suppose that she is given a description of this action domain, including specifications of effects of actions, and a set of trajectories for the execution of this plan, where each trajectory specifies a possible execution of the plan in this domain. After executing some part of the plan, suppose that she obtains information about the current state of the world, and notices that she is not at a correct state relative to the given trajectories. How can she find an explanation (a point of failure) for such a discrepancy? An answer to this question can be useful for different purposes. In the context of execution monitoring, points of failure can determine some checkpoints that specify when to check for discrepancies, and they can sometimes be used for recovering from discrepancies that cause plan failures. At the modeling level, points of failure may provide useful in...
Thomas Eiter, Esra Erdem, Wolfgang Faber, Já
Added 14 Dec 2010
Updated 14 Dec 2010
Type Journal
Year 2007
Where FUIN
Authors Thomas Eiter, Esra Erdem, Wolfgang Faber, Ján Senko
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