Approximate distance oracles with improved bounds

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Abstract

A distance oracle is a compact data structure capable of quickly estimating distances in a given graph. In this paper we provide a new construction for distance oracles in general undirected weighted graphs. Our data structure, for any integer k, requires O (n1+1/k) space, guarantees a stretch of 2k-1, and answers any query in only O(1) time.

Original languageEnglish
Title of host publicationSTOC 2015 - Proceedings of the 2015 ACM Symposium on Theory of Computing
PublisherAssociation for Computing Machinery
Pages1-10
Number of pages10
ISBN (Electronic)9781450335362
DOIs
StatePublished - 14 Jun 2015
Event47th Annual ACM Symposium on Theory of Computing, STOC 2015 - Portland, United States
Duration: 14 Jun 201517 Jun 2015

Publication series

NameProceedings of the Annual ACM Symposium on Theory of Computing
Volume14-17-June-2015
ISSN (Print)0737-8017

Conference

Conference47th Annual ACM Symposium on Theory of Computing, STOC 2015
Country/TerritoryUnited States
CityPortland
Period14/06/1517/06/15

Keywords

  • Constant querytime
  • Distance oracles
  • Shortest paths

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