Stefan Schwärzler, Günther Ruske, Frank Wallhoff, Gerhard Rigoll. Using Graphical Models for an Intelligent Mixed-Initiative Dialog Management System. In Gavriel Salvendy, Michael J. Smith, editors, Human Interface and the Management of Information. Information and Interaction, Symposium on Human Interface 2009, Held as part of HCI International 2009, San Diego, CA, USA, July 19-24, 2009, Proceedings, Part II. Volume 5618 of Lecture Notes in Computer Science, pages 201-209, Springer, 2009. [doi]