Ferreira, N., S. Mascarenhas, A. Paiva, G. Di Tosto, F. Dignum, J. Mc Breen, N. Degens, G. Hofstede, G. Andrighetto, and R. Conte. “An Agent Model for the Appraisal of Normative Events Based in In-Group and Out-Group Relations”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 27, no. 1, June 2013, pp. 1220-6, doi:10.1609/aaai.v27i1.8474.