1. Abowd, G.D., Bobick, I., Essa, I., Mynatt, E., Rogers, W.: The aware home: Developing technologies for successful aging. In: Proceedings of the 18th National Conference on Artificial Intelligence, Edmonton, Canada, 28 July–1 Aug 2002
2. Adomavicius, G., Tuzhiin, A.: Toward the next generation of recommender systems: A survey of the state-of-the-art and possible extensions. IEEE T. Knowl. Data En. 17(6), 734–749 (2005)
3. Antwarg, L., Rokach, L., Shapira, B.: Attribute-driven hidden Markov model trees for intention prediction IEEE. Trans. Syst. Man. Cybern. C. 42(6), 1103–1119 (2012)
4. Begleiter, R., El-Yaniv, R., Yona, G.: On prediction using variable order Markov models. J. Artif. Intell. Res. 22(1), 385–421 (2004)
5. Doolin, K., Roussaki, I., Roddy, M., Kalatzis, N., Papadopoulou, E., Taylor, N.K., Liampotis, N., McKitterick, D., Jennings, E., Kosmides, P.:Societies: Where pervasive meets social. In: Alvarez, F., Cleary, F., Daras, P., Domingue, J., Galis, A., Garcia, A., Gavras, A., Karnourskos, S., Krco, S., Li, M.–S., Lotz, V., Müller, H., Salvadori, E., Sassen, A.–M., Schaffers, H., Stiller, B., Tselentis, G., Turkama, P., Zahariadis, T. (eds.) Future Internet Assembly Book. pp. 30–41. Springer, Heidelberg (2012)