Experimental IR meets multilinguality, multimodality, and interaction 8th International Conference of the CLEF Association, CLEF 2017, Dublin, Ireland, September 11–14, 2017 : proceedings - Jones, Gareth J. F.; Lawless, Séamus; Gonzalo, Julio; Kelly, Liadh; Goeuriot, Lorraine; Mandl, Thomas; Cappellato, Linda; Ferro, Nicola (Springer, 2017)