1. S. Ghemawat, H. Gobioff, S.-T. Leung, in Proceedings of the 16th ACM Symposium on Operation System Principles (ACM Press, New York, 2003), pp. 29–43.
2. J. Dean, S. Ghemawat, in Proceedings of the 6th Symp. Operating System Design and Implementation (Usenix Association, Berkeley, CA, 2004), pp. 137–150.
3. L. Granka, T. Joachims, G. Gay, in Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, K. Järvelin, J. Allan, P. Bruza, M. Sanderson, Eds. (ACM Press, New York, 2004), pp. 478–479.
4. S. Brin, L. Page, Comput. Netw.30, 107 (1998).
5. J. Kleinberg, J. ACM46, 604 (1999).