AbstractT. Uras, S. Koenig and C. Hernandez. Subgoal Graphs for Eight-Neighbor Gridworlds [Competition Abstract]. In Symposium on Combinatorial Search (SoCS), 2012.
Abstract: We propose a method for preprocessing an eight-neighbor gridworld to generate a subgoal graph and a method for using this subgoal graph to find shortest paths faster than A*, by first finding high-level paths through subgoals and then shortest low-level paths between consecutive subgoals in the high-level path.
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