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Abstract. Computing driving directions has motivated many shortest path heuristics that answer queries on continen- tal scale networks, with tens of ...
Our preprocessing algorithm uses a new result on the relationship between shortest paths and. VC-dimension, which shows that collections of shortest paths are ...
Dec 8, 2016 · This gives a unified explanation for the performance of several seemingly different approaches. Our best bounds are based on a result that may ...
Abstract. Computing driving directions has motivated many shortest path heuristics that answer queries on continen- tal scale networks, with tens of ...
In this paper we complement the experimental evidence with the first rigorous proofs of efficiency for many of the heuristics suggested over the past decade. We ...
In this paper we complement the experimental evidence with the first rigorous proofs of efficiency for many of the heuristics suggested over the past decade. We ...
This work proposes a scalable algorithm for CSP queries and shows how its performance can be parametrized in terms of a new network primitive, ...
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Jul 12, 2019 · “Highway dimension, shortest paths, and provably efficient algorithms”. In: Proc. 21st Annual ACM-SIAM Sympos. Discrete Algorithms. (SODA) ...
Jan 1, 2010 · In this paper we complement the experimental evidence with the first rigorous proofs of efficiency for many of the heuristics suggested over the ...
Their algorithms are based on the notion of Contraction Hierarchies built by shortcutting vertices in rank order. A vertex's hub labels are generated by merging ...