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Empirical validation of the buckley-osthus model for the web host graph: degree and edge distributions

Published: 29 October 2012 Publication History
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  • Abstract

    We consider the Buckley-Osthus implementation of preferential attachment and its ability to model the web host graph in two aspects. One is the degree distribution that we observe to follow the power law, as often being the case for real-world graphs. Another one is the two-dimensional edge distribution, the number of edges between vertices of given degrees. We fit a single "initial attractiveness" parameter a of the model, first with respect to the degree distribution of the web host graph, and then, absolutely independently, with respect to the edge distribution. Surprisingly, the values of a we obtain turn out to be nearly the same. Therefore the same model with the same value of the parameter a fits very well the two independent and basic aspects of the web host graph. In addition, we demonstrate that other models completely lack the asymptotic behavior of the edge distribution of the web host graph, even when accurately capturing the degree distribution.
    To the best of our knowledge, this is the first study confirming the ability of preferential attachment models to reflect the distribution of edges between vertices with respect to their degrees in a real graph of Internet.

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    cover image ACM Conferences
    CIKM '12: Proceedings of the 21st ACM international conference on Information and knowledge management
    October 2012
    2840 pages
    ISBN:9781450311564
    DOI:10.1145/2396761
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    Published: 29 October 2012

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    Author Tags

    1. assortative mixing
    2. buckley-osthus random graphs
    3. edge distribution with respect to vertex degrees
    4. power law degree distribution
    5. preferential attachment
    6. web host graph

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    • (2022)Bitcoin transactions as a graphIET Blockchain10.1049/blc2.120162:3-4(57-66)Online publication date: 8-Sep-2022
    • (2017)From Impact to Importance: The Current State of the Wisdom-of-Crowds Justification of Link-Based Ranking AlgorithmsPhilosophy & Technology10.1007/s13347-017-0274-2Online publication date: 16-Aug-2017
    • (2016)Models of Random Graphs and Their Applications to the Web-Graph AnalysisInformation Retrieval10.1007/978-3-319-41718-9_5(101-118)Online publication date: 26-Jul-2016
    • (2014)User profiles based on revisitation timesProceedings of the 23rd International Conference on World Wide Web10.1145/2567948.2577380(359-360)Online publication date: 7-Apr-2014
    • (2013)The Distribution of Second Degrees in the Buckley–Osthus Random Graph ModelInternet Mathematics10.1080/15427951.2012.7273759:4(297-335)Online publication date: 2-Oct-2013

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