Innovative and Creative Developments in Multimodal Interaction Systems 9th IFIP WG 5.5 International Summer Workshop on Multimodal Interfaces, eNTERFACE 2013, Lisbon, Portugal, July 15 – August 9, 2013. Proceedings - Rybarczyk, Yves; Cardoso, Tiago; Rosas, João; Camarinha-Matos, Luis M. (Springer Berlin Heidelberg : Imprint: Springer, 2014)