Approximate Distance Oracles Revisited

  • Authors:
  • Joachim Gudmundsson;Christos Levcopoulos;Giri Narasimhan;Michiel H. M. Smid

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ISAAC '02 Proceedings of the 13th International Symposium on Algorithms and Computation
  • Year:
  • 2002

Quantified Score

Hi-index 0.01

Visualization

Abstract

Let G be a geometric t-spanner in Ed 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 + 驴)-approximate shortest-path queries in G can be answered in O(1) time. The data structure uses O(n log n) space.