Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Renato F. Werneck0
Andrew V. Goldberg0
Haim Kaplan0
Date of Patent
August 10, 2010
0Patent Application Number
115938570
Date Filed
November 6, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An algorithm referred to as REAL for the point-to-point shortest path problem combines A* search with landmark-based lower bounds and reach-based pruning. A symbiosis of these techniques is described, which gives a range of time and space tradeoffs, including those that improve both of these complexity measures. Locality is improved and exact reach computation is described.
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