1. Anderson, M., Ball, M., Boley, H., Greene, S., Howse, N., Lemire, D., et al. (2003). RACOFI: A rule-applying collaborative filtering system. In Proceedings of IEEE/WIC COLA'03, Halifax, Canada, October 2003.
2. Andronico, A., Carbonaro, A., Casadei, G., Colazzo, L., Molinari, A., & Ronchetti, M. (2003). Integrating a multi-agent recommendation system into a mobile learning management system. In Proceedings of Artificial Intelligence in Mobile System. Retrieved from http://w5.cs.uni-sb.de/~krueger/aims2003/camera-ready/carbonaro-4.pdf
3. Armbrust, M., Fox, A., Griffith, R., Joseph, A. D., Katz, R. H., & Konwinski, A. … Zaharia, M. (2009). Above the clouds: A Berkeley view of Cloud computing. Technical report UCB/EECS-2009-28, Electrical Engineering and Computer Sciences, University of California at Berkeley, Berkeley, USA, February 2009.
4. Beach, A., Gartrell, M., Xing, X., Han, R., Lv, Q., Mishra, S., et al. (2010). Fusing mobile, sensor, and social data to fully enable context-aware computing, Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications (pp. 60-65).
5. Berri, J., Benlamri, R., & Atif, Y. (2006). Ontology-based framework for context-aware mobile learning. Proceedings of the 2006 International Conference on Wireless Communications and Mobile Computing (pp. 1307-1310).