Iterative Development and Evaluation of a Social Conversational Agent Annika Silvervarg author Arne Jönsson author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication silvervarg-jonsson-2013-iterative https://aclanthology.org/I13-1174/ 2013-10 1223 1229