V. Maccatrozzo, M. Terstall, L. Aroyo, and G. Schreiber. Proceedings of the 22Nd International Conference on Intelligent User Interfaces, page 35--44. New York, NY, USA, ACM, (2017)
P. Adamopoulos, and A. Tuzhilin. DiveRS 2011 – ACM RecSys 2011 Workshop on Novelty and Diversity in Recommender Systems, New York, NY, USA, ACM, (October 2011)
M. Ge, C. Delgado-Battenfeld, and D. Jannach. Proceedings of the fourth ACM conference on Recommender systems - RecSys \textquotesingle10, page 257-260. ACM Press, (2010)