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Control Knowledge to Improve Plan Quality

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journal contribution
posted on 01.12.2001, 00:00 authored by Alicia Perez, Jaime G. Carbonell
Generating production-quality plans is an essential element in transforming planners from research tools into real-world applications. Howevermost of the work to date on learning planning control knowledge has been aimed at improving the efficiency of planning; this work has been termed “speed-up learning”. This paper focuses on learning control knowledge to guide a planner towards better solutions, i.e. to improve the quality of the plans produced by the planner, as its problem solving experience increases. We motivate the use of quality-enhancing search control knowledge and its automated acquisition from problem solving experience. We introduce an implemented mechanism for learning such control knowledge and some of our preliminary results in a process planning domain.




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