Andreas Martin 0001, Knut Hinkelmann. AAAI-MAKE 2021: Combining Machine Learning and Knowledge Engineering. In Andreas Martin 0001, Knut Hinkelmann, Hans-Georg Fill, Aurona Gerber, Doug Lenat, Reinhard Stolle, Frank van Harmelen, editors, Proceedings of the AAAI 2021 Spring Symposium on Combining Machine Learning and Knowledge Engineering (AAAI-MAKE 2021), Stanford University, Palo Alto, California, USA, March 22-24, 2021. Volume 2846 of CEUR Workshop Proceedings, CEUR-WS.org, 2021. [doi]