Can one out-link change your pagerank?

  • Authors:
  • Marcin Sydow

  • Affiliations:
  • Polish-Japanese Institute of Information Technology, Warsaw, Poland

  • Venue:
  • AWIC'05 Proceedings of the Third international conference on Advances in Web Intelligence
  • Year:
  • 2005

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Abstract

We model potential behavior of a Web page creator trying to change its PageRank ranking by changing out-links being under their control. We demonstrate it on synthetic graphs of various sizes and properties (including the high quality hybrid model[9]) and on topically unified graph from real Web. Due to massive computations, we apply several randomized algorithms including hill climbing and simulated annealing. The experimental results presented here clearly show that it is possible to significantly change Web documents PageRank score by changing its outlinks properly. This seems to shed new light on PageRank stability.