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Public Transit Labeling

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Experimental Algorithms (SEA 2015)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 9125))

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Abstract

We study the journey planning problem in public transit networks. Developing efficient preprocessing-based speedup techniques for this problem has been challenging: current approaches either require massive preprocessing effort or provide limited speedups. Leveraging recent advances in Hub Labeling, the fastest algorithm for road networks, we revisit the well-known time-expanded model for public transit. Exploiting domain-specific properties, we provide simple and efficient algorithms for the earliest arrival, profile, and multicriteria problems, with queries that are orders of magnitude faster than the state of the art.

Work done mostly while all authors were at Microsoft Research Silicon Valley.

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Correspondence to Julian Dibbelt .

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Delling, D., Dibbelt, J., Pajor, T., Werneck, R.F. (2015). Public Transit Labeling. In: Bampis, E. (eds) Experimental Algorithms. SEA 2015. Lecture Notes in Computer Science(), vol 9125. Springer, Cham. https://doi.org/10.1007/978-3-319-20086-6_21

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  • DOI: https://doi.org/10.1007/978-3-319-20086-6_21

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-20085-9

  • Online ISBN: 978-3-319-20086-6

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