ALBERT, R. Diameter of the World Wide Web. Nature. 1999, 401, 130-131
BAEZA-YATES, R. Pagerank Increase under Different Collusion Topologies. Proceedings of the First International Workshop on Adversarial Information Retrieval on the Web (AIRWeb), 2005. 2005
BENCZUR, A. A. SpamRank-Fully Automatic Link Spam Detection. Proceedings of the First International Workshop on Adversarial Information Retrieval on the Web (AIRWeb), 2005. 2005
CHHABRA, S. Spam Filtering using a Markov Random Field Model with Variable Weighting Schemas. Proceedings of the 4th IEEE International Conference on Data Mining, November 2004. 2004, 347-350
CNETNEWS.COM. Google Aims to Outsmart Search Tricksters. http://news.com.com/2100-1024_3-5540740.html. 2005