Pecune, F., Biancardi, B., Ding, Y., Pelachaud, C., Mancini, M., Varni, G., Camurri, A. and Volpe, G. (2015) “LOL — Laugh Out Loud”, Proceedings of the AAAI Conference on Artificial Intelligence, 29(1). doi: 10.1609/aaai.v29i1.9779.