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Approximate distance oracles revisited

Author

Summary, in English

Let G be a geometric t-spanner in E-d with n vertices and m edges, where t is a constant. We show that G can be preprocessed in O(m log n) time, such that (1 + epsilon)-approximate shortest-path queries in G can be answered in O(1) time. The data structure uses O(n log n) space.

Department/s

  • Computer Science

Publishing year

2002

Language

English

Pages

357-368

Publication/Series

Algorithms and Computation, Proceedings / Lecture Notes in Computer Science

Volume

2518

Document type

Conference paper

Publisher

Springer

Topic

  • Computer Science

Conference name

13th International Symposium, ISAAC 2002

Conference date

2002-11-21 - 2002-11-23

Conference place

Vancouver, BC, Canada

Status

Published

ISBN/ISSN/Other

  • ISSN: 1611-3349
  • ISSN: 0302-9743