1. Achlioptas, D., Fiat, A., Karlin, A., McSherry, F.: Web Search via Hub Synthesis. In: Proc. Symp. On Foundations of Computer Science (2001)
2. Aktas, M.S., Nacar, M.A., Menczer, F.: Personalizing PageRank Based on Domain Profiles. In: Mobasher, B., Nasraoui, O., Liu, B., Masand, B. (eds.) WebKDD 2004. LNCS (LNAI), vol. 3932, Springer, Heidelberg (2006)
3. Almeida, R.B., Almeida, V.A.F.: A Community-Aware Search Engine. In: WWW 2004 (2004)
4. Basu, C., Hirsh, H., Cohen, W.: Recommendation as Classification: Using Social and Content-Based Information in Recommendation. In: Proceedings of the Fifteenth National Conference on Artificial Intelligence, pp. 714–720 (1998)
5. Billsus, D., Pazzani, M.J.: Learning Collaborative Information Filters. In: Proc. 15th International Conference on Machine Learning (1998)