Educational Technology Lab

In: Mirjam Augstein, Eelco Herder, Wolfgang Wörndl, Enes Yigitbas (editor). Proceedings of the 23rd International Workshop on Personalization and Recommendation on the Web and Beyond. International Workshop on Personalization and Recommendation on the Web and Beyond (ABIS-2019) 23rd located at ACM Hypertext September 17 Hof Germany Pages 19-21 ISBN 978-1-4503-6896-4 ACM New York 9/2019.