Experimental IR Meets Multilinguality, Multimodality, and Interaction: 11th International Conference of the CLEF Association, CLEF 2020, Thessaloniki, Greece, September 22–25, 2020, Proceedings - Arampatzis; Cappellato, Linda; Eickhoff, Carsten; Ferro, Nicola; Joho, Hideo; Kanoulas, Evangelos; Lioma, Christina; Névéol, Aurélie; Tsikrika, Theodora; Vrochidis, Stefanos (Springer International Publishing, 2020)