Experimental IR Meets Multilinguality, Multimodality, and Interaction

This book constitutes the refereed proceedings of the 9^th International Conference of the CLEF Initiative, CLEF 2018, jointly organized by Avignon, Marseille and Toulon universities and held in Avignon, France, in September 2018. The conference has a clear focus on experimental information retrieval with special attention to the challenges of multimodality, multilinguality, and interactive search ...