Converting a network into a small-world network: Fast algorithms for minimizing average path length through link addition

Amitava Datta, Andrew Michael Gozzard, Max Hector Ward-Graham

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

The average path length in a network is an important parameter for measuring the end-to-end delay for message delivery. The delay between an arbitrary pair of nodes is smaller if the average path length is low. It is possible to reduce the average path length of a network by adding one or more additional links between pairs of nodes. However, a naïve algorithm is often very expensive for determining which additional link can reduce the average path length in a network the most. In this paper, we present two efficient algorithms to minimize the average network path length by link addition. Our algorithms can process significantly larger networks compared to the naïve algorithm. We present simple implementations of our algorithms, as well as performance studies.
Original languageEnglish
Pages (from-to)282-289
Number of pages8
JournalInformation Sciences
Volume422
DOIs
Publication statusPublished - Jan 2018

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  • Algorithms for Geometric Intersection Graphs

    Gozzard, A., 2023, (Unpublished)

    Research output: ThesisDoctoral Thesis

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