Andrei Popescu-Belis Steve Renals Hervé Bourlard Machine Learning for Multimodal Interaction , 4th International Workshop, MLMI 2007, Brno, Czech Republic, June 28-30, 2007, Revised Selected Papers 978-3-540-78154-7 4892 MLMI Lecture Notes in Computer Science Springer 2008 db/conf/mlmi/mlmi2007.html