Anne Schuth, Krisztian Balog, Liadh Kelly. Overview of the Living Labs for Information Retrieval Evaluation (LL4IR) CLEF Lab 2015. In Josiane Mothe, Jacques Savoy, Jaap Kamps, Karen Pinel-Sauvagnat, Gareth J. F. Jones, Eric SanJuan, Linda Cappellato, Nicola Ferro, editors, Experimental IR Meets Multilinguality, Multimodality, and Interaction - 6th International Conference of the CLEF Association, CLEF 2015, Toulouse, France, September 8-11, 2015, Proceedings. Volume 9283 of Lecture Notes in Computer Science, pages 484-496, Springer, 2015. [doi]