1. Agostaro, F., Augello, A., Pilato, G., Vassallo, G., Gaglio, S.: A conversational agent based on a conceptual interpretation of a data driven semantic space. In: AI* IA 2005: Advances in Artificial Intelligence. Springer (2005) 381–392
2. Balistreri, G., Nishio, S., Sorbello, R., Chella, A., Ishiguro, H.: Natural human robot meta-communication through the integration of android’s sensors with environment embedded sensors. In: BICA. (2011) 26–37
3. Breazeal, C.: Toward sociable robots. Robotics and Autonomous Systems 42(3) (2003) 167–175
4. Carr, L., Iacoboni, M., Dubeau, M.C., Mazziotta, J.C., Lenzi, G.L.: Neural mechanisms of empathy in humans: a relay from neural systems for imitation to limbic areas. Proceedings of the national Academy of Sciences 100(9) (2003) 5497–5502
5. Chella, A., Sorbello, R., Pilato, G., Balistreri, G., Anzalone, S.M., Giardina, M.: An innovative mobile phone based system for humanoid robot expressing emotions and personality. In: BICA. (2011) 57–63