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On computing the diameter of real-world undirected graphs

Abstract : We propose a new algorithm for the classical problem of computing the diameter of undirected unweighted graphs, namely, the maximum distance among all the pairs of nodes, where the distance of a pair of nodes is the number of edges contained in the shortest path connecting these two nodes. Although its worst-case complexity is O(nm) time, where n is the number of nodes and m is the number of edges of the graph, we experimentally show that our algorithm works in O(m) time in practice, requiring few breadth-first searches to complete its task on almost 200 real-world graphs.
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Contributor : Michel Habib Connect in order to contact the contributor
Submitted on : Friday, January 24, 2014 - 6:42:53 PM
Last modification on : Friday, November 25, 2022 - 6:54:49 PM

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Pilu Crescenzi, Roberto Grossi, Michel Habib, Leonardo Lanzi, Andrea Marino. On computing the diameter of real-world undirected graphs. Theoretical Computer Science, 2013, Graph Algorithms and Applications: in Honor of Professor Giorgio Ausiello, 514, pp.84-95. ⟨10.1016/j.tcs.2012.09.018⟩. ⟨hal-00936304⟩



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