Non-verbal Information in Communication: A Study of Interaction in a Tourist-information Setting Ichiro Umata author Sadanori Ito author Shoichiro Iwasawa author Noriko Suzuki author Tomoji Toriyama author Naomi Inoue author Kiyoshi Kogure author Kenji Mase author 2006-sep 11-13 text Proceedings of the 11th Workshop on the Semantics and Pragmatics of Dialogue - Poster Abstracts SEMDIAL Potsdam, Germany conference publication umata-etal-2006-non http://semdial.org/anthology/036_Umata_semdial2006_brandial_proceedings.pdf 2006-sep 11-13