Michael Streit. Why Are Multimodal Systems so Difficult to Build? - About the Difference between Deictic Gestures and Direct Manipulation. In Harry Bunt, Robbert-Jan Beun, editors, Cooperative Multimodal Communication, Second International Conference, CMC 98, Tilburg, The Netherlands, January 28-30, 1998, Revised Papers. Volume 2155 of Lecture Notes in Computer Science, pages 176-196, Springer, 1998. [doi]
Abstract is missing.