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Graph Indexing of Road Networks for Shortest Path Queries with Label Restrictions

Summary: Introduces Kleene Language Constrained Shortest Paths for dynamic, label-based edge restrictions in road-network queries. Extends Contraction Hierarchies to support these constraints, delivering over 3 orders of magnitude speedups on a 50M-edge North American road network vs naive Dijkstra and over 2 orders of magnitude vs prior indexing. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
10296
Venue
VLDB
Year
2011
Pagerank
0.00013150837
Overall Rank
1,230 | 91.45%
DOI
-

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