Macro operators - PowerPoint PPT Presentation

Searching for Macro-operators with Automatically Generated Heuristics

Searching for Macro-operators with Automatically Generated Heuristics. Istv á n T. Hern á dv ö lgyi University of Ottawa istvan@site.uottawa.ca. Motivation. Time. 1 week. Korf 97. us. Korf 85. Sims 70, Osterlund 95. 1 sec. 50. 85. 455. 18. Quality. Subgoals and Macros. 1. 2. 3.

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Complexity of STRIPS SHAKEY the Robot

Complexity of STRIPS SHAKEY the Robot. October 8, 2003. Backwards planning Why planning is hard SHAKEY the robot. Backwards Planning. Node = set of states h’(n, i) = MIN{ h(i,n’) | n’ instantiates n }. Sussman’s Anomaly. An example from the blocks world in which divide and conquer fails

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