1. Barabasi, A.L., Albert, R. and Jeong, H. (2000), “Scale‐free characteristics of random networks: the topology of the world‐wide web”, Physica A, Vol. 281 Nos 1‐4, pp. 69‐77.
2. Bar‐Ilan, J. (2005), “Comparing rankings of search results on the web”, Information Processing and Management, Vol. 41 No. 6, pp. 973‐86.
3. Bar‐Ilan, J. (2007), “Position paper: Access to query logs – an academic researcher's point of view”, paper presented at the Log Analysis Workshop, WWW2007, available at: www2007.org/workshops/paper_39.pdf (accessed 4 November 2011).
4. Bastian, M., Heymann, S. and Jacomy, M. (2009), “Gephi: an open source software for exploring and manipulating networks”, Proceedings of the Third International ICWSM Conference, AAAI Press, San José, CA.
5. Borges, J. and Levene, M. (2006), “Ranking pages by topology and popularity within web sites”, World Wide Web, Vol. 9 No. 3, pp. 301‐16.