M. Neumann, C. Michels, P. Schaer, and R. Schenkel. JCDL '18 Proceedings of the 18th ACM/IEEE on Joint Conference on Digital Libraries, page 45-48. New York, NY, USA, ACM, (2018)
P. Schaer, and M. Neumann. Experimental IR Meets Multilinguality, Multimodality, and Interaction 8th International Conference of the CLEF Association, CLEF 2017, Dublin, Ireland, September 11-14, 2017, Proceedings, volume 10456 of Lecture Notes in Computer Science, page 152-158. Springer International Publishing, (2017)