Judith Masthoff, Eelco Herder, Helen Nissenbaum, Maarten de Rijke, Julita Vassileva. ACM UMAP 2021 Keynote Addresses. In Judith Masthoff, Eelco Herder, Nava Tintarev, Marko Tkalcic, editors, Proceedings of the 29th ACM Conference on User Modeling, Adaptation and Personalization, UMAP 2021, Utrecht, The Netherlands, June, 21-25, 2021. pages 1-2, ACM, 2021. [doi]
Abstract is missing.