Approximate Distance Oracles for Graphs with Dense Clusters

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Let G be a graph containing N disjoint t-spanners that are inter-connected with M edges. We present an algorithm that constructs a data structure of size O(M2 + n log n) that answers (1 + ε)-approximate shortest path queries in G in constant time, where n is the number of vertices of G.

Mattias Andersson, Joachim Gudmundsson, Christos L

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Data Structure | Disjoint T-spanners | ISAAC 2004 | Shortest Path Queries |

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Added	02 Jul 2010
Updated	02 Jul 2010
Type	Conference
Year	2004
Where	ISAAC
Authors	Mattias Andersson, Joachim Gudmundsson, Christos Levcopoulos

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Approximate Distance Oracles for Graphs with Dense Clusters

Data Structure | Disjoint T-spanners | ISAAC 2004 | Shortest Path Queries |

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