- Karl Hammar, Oliver Kutz, Anastasia Dimou, Torsten Hahmann, Robert Hoehndorf, Claudio Masolo, Randi Vita, Sarra Ben Abbès, Rim Hantach, Philippe Calvez, Tiago Prince Sales, Daniele Porello, Daniel Beßler, Stefano Borgo, Mohammed Diab, Aldo Gangemi, Alberto Olivares Alarcos, Mihai Pomarlan, Robert Porzel, Martin G. Skjæveland, Daniel P. Lupp, Ian Horrocks, Johan W. Klüwer, Christian Kindermann, Loris Bozzato, Till Mossakowski, Luciano Serafini, editors, Proceedings of the Joint Ontology Workshops co-located with the Bolzano Summer of Knowledge (BOSK 2020), Virtual & Bozen-Bolzano, Italy, August 31st to October 7th, 2020. Volume 2708 of CEUR Workshop Proceedings, CEUR-WS.org, 2020.