This book constitutes the refereed proceedings of the 6th International Conference of the CLEF
Initiative CLEF 2015 held in Toulouse France in September 2015. The 31 full papers and 20
short papers presented were carefully reviewed and selected from 68 submissions. They cover a
broad range of issues in the fields of multilingual and multimodal information access
evaluation also included are a set of labs and workshops designed to test different aspects of
mono and cross-language information retrieval systems.
