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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Customizable Route Planning
verfasst von : Daniel Delling, Andrew V. Goldberg, Thomas Pajor, Renato F. Werneck
Erschienen in: Experimental Algorithms
Verlag: Springer Berlin Heidelberg
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We present an algorithm to compute shortest paths on continental road networks with arbitrary metrics (cost functions). The approach supports turn costs, enables real-time queries, and can incorporate a new metric in a few seconds—fast enough to support real-time traffic updates and personalized optimization functions. The amount of metric-specific data is a small fraction of the graph itself, which allows us to maintain several metrics in memory simultaneously.