1. Barto, A.G.: Reinforcement Learning: An Introduction. MIT press, Cambridge (1998)
2. Hastie, H., Aufaure, M.a., Alexopoulos, P., Cuayáhuitl, H., Dethlefs, N., Gasic, M., Henderson, J., Lemon, O., Liu, X., Mika, P., Mustapha, N.B., Rieser, V., Thomson, B., Tsiakoulis, P., Vanrompay, Y., Villazon-terrazas, B., Young, S.: Demonstration of the Parlance system: a data-driven, incremental, spoken dialogue system for interactive search. In: Proceedings of the SIGDIAL 2013 Conference, pp. 154–156 (2013).
http://www.aclweb.org/anthology/W/W13/W13-4026
3. Jokinen, K., McTear, M.: Spoken dialogue systems. Synth. Lect. Hum. Lang. Technol. 2(1), 1–151 (2009)
4. Kaelbling, L.P., Littman, M.L., Cassandra, A.R.: Planning and acting in partially observable stochastic domains. Artif. Intell. 101(1), 99–134 (1998)
5. Kurniawati, H., Hsu, D., Lee, W.S.: SARSOP: efficient point-based POMDP planning by approximating optimally reachable belief spaces. In: Robotics: Science and Systems (2008)