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Engineering Time-dependent One-To-All Computation

Very recently a new algorithm to the nonnegative single-source shortest path problem on road networks has been discovered. It is very cache-efficient, but only on static road networks. We show how to augment it to the time-dependent scenario. The advantage if the new approach is that it settles nodes, even for a profile query, by scanning all downward edges. We improve the scanning of the downward edges with techniques developed for time-dependent many-to-many computations.

preprint2010arXivOpen access
Robert Geisberger
Data Structures and Algorithms
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Robert Geisberger

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