Plan proximity: an enhanced metric for plan stability

Pedro Patron, Alexandra Birch

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Plans executed in the real world have to adapt to the dierences between the expected and the observed state of the environment where is being executed. Plan- ning strategies dealing with this adaptation process can be compared by looking at the plan proximity between the original plan and the plans that these strategies generate to replace it. Plan proximity measures the dierence between these sequential plans and the ex- pected outcome states of these plans. We present ar- guments to support the claim that plan proximity is a more informed metric than plan stability in order to compare planning strategies solving these adaptation to the environment of execution.
Original languageEnglish
Title of host publicationWorkshop on Verification and Validation of Planning and Scheduling Systems, 19th International Conference on Automated Planning and Scheduling (ICAPS’09)
Number of pages2
Publication statusPublished - 2009

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