1. Allen, J.F.: Mixed-initiative interaction. IEEE Intelligent Systems, 14–16 (September- October 1999)
2. Allen, J.F., Byron, D.K., Dzikovska, M., Ferguson, G., Galescu, L., Stent, A.: Towards conversational human-computer interaction. AI Magazine 22(4), 27–35 (2001)
3. Allen, J.F., Ferguson, G.: Human-machine collaborative planning. In: Proceedings of the NASA Planning and Scheduling Workshop, Houston, TX (2002)
4. Barber, K.S., Gamba, M., Martin, C.E.: Representing and analyzing adaptive decision-making frameworks. In: Hexmoor, H., Castelfranchi, C., Falcone, R. (eds.) AgenAutonomy, pp. 23–42. Kluwer, Dordrecht (2002)
5. Barwise, J., Perry, J.: Situations and Attitudes. MIT Press, Cambridge (1983)