Evangelos Kanoulas, Mihai Lupu, Paul D. Clough, Mark Sanderson, Mark M. Hall, Allan Hanbury, Elaine G. Toms: Information Access Evaluation. Multilinguality, Multimodality, and Interaction - 5th International Conference of the CLEF Initiative, CLEF 2014, Sheffield, UK, September 15-18, 2014. Proceedings. Lecture Notes in Computer Science 8685, Springer 2014, ISBN 978-3-319-11381-4