L. Wanner, E. André, J. Blat, S. Dasiopoulou, M. Farrús, T. Fraga, E. Kamateri, F. Lingenfelser, G. Llorach, O. Martínez, G. Meditskos, S. Mille, W. Minker, L. Pragst, D. Schiller, A. Stam, L. Stellingwerff, F. Sukno, B. Vieru, S. Vrochidis. Design of knowledge-based agent as a social companion. Proceedings of the International Conference on Health and Social Care Information Systems and Technologies (HCist), Barcelona, Catalonia, November 2017.