- Sven Hartmann, Josef Küng, Gabriele Kotsis, A Min Tjoa, Ismail Khalil, editors, Database and Expert Systems Applications - 31st International Conference, DEXA 2020, Bratislava, Czech Republic, September 14-17, 2020, Proceedings, Part I. Volume 12391 of Lecture Notes in Computer Science, Springer, 2020.
- Sven Hartmann, Josef Küng, Gabriele Kotsis, A Min Tjoa, Ismail Khalil, editors, Database and Expert Systems Applications - 31st International Conference, DEXA 2020, Bratislava, Czech Republic, September 14-17, 2020, Proceedings, Part II. Volume 12392 of Lecture Notes in Computer Science, Springer, 2020.