S. Naveed, B. Loepp, and J. Ziegler. Adjunct Publication of the 28th ACM Conference on User Modeling, Adaptation and Personalization, page 226-232. ACM, (July 2020)
D. Hernandez-Bocanegra, T. Donkers, and J. Ziegler. Adjunct Publication of the 28th ACM Conference on User Modeling, Adaptation and Personalization, page 219-225. ACM, (July 2020)