Methods for comparing rankings of search engine results

  • Authors:
  • Judit Bar-Ilan;Mazlita Mat-Hassan;Mark Levene

  • Affiliations:
  • Department of Information Science, Bar-Ilan University, Ramat-Gan, Israel;School of Computer Science and Information Systems, Birkbeck, University of London, London, United Kingdom;School of Computer Science and Information Systems, Birkbeck, University of London, London, United Kingdom

  • Venue:
  • Computer Networks: The International Journal of Computer and Telecommunications Networking - Web dynamics
  • Year:
  • 2006

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Abstract

In this paper we present a number of measures that compare rankings of search engine results. We apply these measures to five queries that were monitored daily for two periods of 14 or 21 days each. Rankings of the different search engines (Google, Yahoo! and Teoma for text searches and Google, Yahoo! and Picsearch for image searches) are compared on a daily basis, in addition to longitudinal comparisons of the same engine for the same query over time. The results and rankings of the two periods are compared as well.