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Cited by 247

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Reach for A*: Efficient Point-to-Point Shortest Path Algorithms

Goldberg, Andrew V., Kaplan, Haim, Werneck, Renato F.·2006·2006 Proceedings of the Eighth Workshop on Algorithm Engineering and Experiments (ALENEX)

Abstract

We study the point-to-point shortest path problem in a setting where preprocessing is allowed. We improve the reach-based approach of Gutman [17] in several ways. In particular, we introduce a bidirectional version of the algorithm that uses implicit lower bounds and we add shortcut arcs to reduce vertex reaches. Our modifications greatly improve both preprocessing and query times. The resulting algorithm is as fast as the best previous method, due to Sanders and Schultes [28]. However, our algorithm is simpler and combines in a natural way with A* search, which yields significantly better query times.

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Metadata

Authors
Goldberg, A. V., Kaplan, H., & Werneck, R. F.
Venue
2006 Proceedings of the Eighth Workshop on Algorithm Engineering and Experiments (ALENEX)
Published
2006-01-21
Pages
129-143
OpenAlex
W2151400766
Cited by
247
References
1
FWCI
17.49
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Reach for A*: Efficient Point-to-Point Shortest Path Algorithms. https://app.cochat.ai/papers/10.1137/1.9781611972863.13
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Goldberg, A. V., Kaplan, H., & Werneck, R. F. (2006). Reach for A*: Efficient Point-to-Point Shortest Path Algorithms. 2006 Proceedings of the Eighth Workshop on Algorithm Engineering and Experiments (ALENEX). https://doi.org/10.1137/1.9781611972863.13

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