A Scalable Heuristic for Fastest-Path Computation on Very Large Road Maps

18 Dec 2018Renjie ChenCraig Gotsman

Fastest-path queries between two points in a very large road map is an increasingly important primitive in modern transportation and navigation systems, thus very efficient computation of these paths is critical for system performance and throughput. We present a method to compute an effective heuristic for the fastest path travel time between two points on a road map, which can be used to significantly accelerate the classical A* algorithm when computing fastest paths... (read more)

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