C. Akiki, and M. Potthast. Working Notes of CLEF 2020 - Conference and Labs of the Evaluation Forum, Thessaloniki, Greece, September 22-25, 2020, volume 2696 of CEUR Workshop Proceedings, CEUR-WS.org, (2020)
J. Bevendorff, B. Stein, M. Hagen, and M. Potthast. Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers), page 654--659. Minneapolis, Minnesota, Association for Computational Linguistics, (June 2019)