Hierarchical Time-Dependent Oracles

@inproceedings{Kontogiannis2016HierarchicalTO,
  title={Hierarchical Time-Dependent Oracles},
  author={Spyros C. Kontogiannis and Dorothea Wagner and Christos D. Zaroliagis},
  booktitle={ISAAC},
  year={2016}
}
We study networks obeying time-dependent min-cost path metrics, and present novel oracles for them which provably achieve two unique features: (i) subquadratic preprocessing time and space, independent of the metric’s amount of disconcavity; (ii) sublinear query time, in either the network size or the actual Dijkstra-Rank of the query at hand. 

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