1. Alili S, Alami R, Montreuil V (2009) A task planner for an autonomous social robot. In: Asama H, Kurokawa H, Ota J, Sekiyama K (eds) Distributed autonomous robotic systems, vol 8. Springer, Berlin, pp 335–344
2. Berlin M, Gray J, Thomaz AI, Breazeal C (2006) Perspective taking: an organizing principle for learning in human-robot interaction. In: Proceedings of the 21st national conference on artificial intelligence (AAAI’06), vol 2. AAAI Press, Menlo Park, pp 1444–1450
3. Breazeal C (2009) Role of expressive behaviour for robots that learn from people. Phil Trans R Soc B, Biol Sci 364:3527–3538
4. Broquère X, Sidobre D, Nguyen K (2010) From motion planning to trajectory control with bounded jerk for service manipulator robots. In: IEEE international conference on robotics and automation, pp 4505–4510
5. Buss M, Carton D, Gonsior B, Kuehnlenz K, Landsiedel C, Mitsou N, de Nijs R, Zlotowski J, Sosnowski S, Strasser E, Tscheligi M, Weiss A, Wollherr D (2011) Towards proactive human-robot interaction in human environments. In: 2nd international conference on cognitive infocommunications (CogInfoCom), 2011, pp 1–6