1R. Baeza Yates, B. Ribeiro Neto. Modern Information Retrieval ACM Press,1998
2Google inc. http: //www. google. com
3Dell Zhang, Yisheng Dong. An Efficient Algorithm to Rank Web Resources.The 9th International World Wide Web Conference, 2000. http: //www9. org/w9cdrom/251/251. html
4Jon Kleinberg. Authoritative Sources in a Hyperlinked Environment. Journal of the ACM, 1999;46(5)
5L. Page, S. Brin, R. Motwani, T. Winograd. The PageRank Citation Ranking: Bringing order to the Web. http://www - db. stanford. edu/～ backrub /pageranksub.ps, January, 1998.
6S. Brin, L. Page The Anatomy of a Large- scale Hypertextual Web Search Engine Computer Networks and ISDN Systems, 1998
7Arvind Arasu, Junghoo Cho. Hector Garcia - Molina, Andreas Paepcke, Sriram Raghavan. Searching the Web. ACM Transactions on Intemet Technology,2001 ;1(1)
