Sven Hartmann Josef Küng Gabriele Kotsis A Min Tjoa Ismail Khalil Database and Expert Systems Applications - 31st International Conference, DEXA 2020, Bratislava, Slovakia, September 14-17, 2020, Proceedings, Part II DEXA (2) Springer 2020 Lecture Notes in Computer Science 12392 978-3-030-59050-5 978-3-030-59051-2 https://doi.org/10.1007/978-3-030-59051-2 db/conf/dexa/dexa2020-2.html