3-394, 2006. 9. R. Agrawal and R. Srikant. Fast algorithms for mining association rules. In Proceedings of the International Conference on Very Large DataBases (VLDB), Santiago, Chile, pp. 487-499, 1994. 10. G. Amato and U. Straccia. User profile modeling and applications to digital libraries. In Proceedings of the Third European Conference on Research and Advanced Technology for Digital Libraries, Paris, France, pp. 184-197, 1999. 11. S. S. Anand, P. Kearney, and M. Shapcott. Generating semantically enriched user profiles for web personalization. ACM Transactions on Internet Technology, 7(4): 22, 2007. 12. S. S. Anand and B. Mobasher. Contextual recommendation. From web to social web: Discovering and deploying user and content profiles. Workshop on Web Mining, Berlin, Germany, pp. 142-160, 2007. 13. R. Belotti, C. Decurtins, M. Grossniklaus, M. C. Norrie, and A. Palinginis. Modelling context for information environments. In Proceedings on Ubiquitous Mobile Information and Collaboration Systems (UMICS), CAiSE, Riga, Latvia, 2004. 14. K. Bradley, R. Rafter, and B. Smyth. Case-based user profiling for content personalisa- tion. In Proceedings of the International Conference on Adaptive Hypermedia and Adaptive Web-based Systems, Trento, Italy, August 2000. 15. J. S. Breese, D. Heckerman, and C. Kadie. Empirical analysis of predictive algorithms for collaborative filtering. Technical report, MSR-TR-98-12. Microsoft research, Redmond, Washington 98052, 1998. 16. L. Bright and L. Raschid. Using latency-recency profiles for data delivery on the web. In Proceedings of the 28th Conference on VLBD, Hong Kong, People's Republic of China, pp. 550-561, 2002. 17. S. Buchholz, T. Hamann, and G. Hbsch. Comprehensive structured context profiles (cscp): Design and experiences. In Proceedings of the 2nd IEEE Annual Conference on Pervasive Computing and Communications Workshops, pp. 43-47, 2004. M. Cherniack, Ed. Galvez, M. Franklin, and St. Zdonik. Profile-driven cache manage- ment. In Proceedings of the 19th ICDE, Bangalore, India