TWLT 15 Interactions in Virtual Worlds PROCEEDINGS OF THE FIFTEENTH TWENTE WORKSHOP ON LANGUAGE TECHNOLOGY MAY 19-21, 1999 ENSCHEDE,THE NETHERLANDS Anton Nijholt, Olaf Donk and Betsy van Dijk (eds.) i CIP GEGEVENS KONINKLIJKE BIBLIOTHEEK, DEN HAAG Nijholt, A., Donk, O.A., Van Dijk, E.M.A.G. Interactions in Virtual Worlds Proceedings Twente Workshop on Language Technology 15 A. Nijholt, O.A. Donk, E.M.A.G. van Dijk (eds.) Enschede, Universiteit Twente, Faculteit Informatica ISSN 0929–0672 trefwoorden: virtual worlds, virtual reality, agent technology, presence, talking faces, VRML, speech recognition, speech generation, human-computer-interaction, social structures, WWW c Copyright 1999; Universiteit Twente, Enschede Book orders: Ms. A. Hoogvliet University of Twente Dept. of Computer Science P.O. Box 217 NL 7500 AE Enschede tel: +31 53 4893680 fax: +31 53 4893503 Email:
[email protected] Druk- en bindwerk: Reprografie U.T. Service Centrum, Enschede ii Preface TWLT is an acronym of Twente Workshop(s) on Language Technology. These workshops on natural language theory and technology are organized by the Parlevink Reasearch Project, a language theory and technology project of the Centre of Telematics and Information Technology (CTIT) of the University of Twente, Enschede, The Netherlands. For each workshop proceedings are published containing the papers that were presented. See next page for an overview of the previous TWLT workshops. TWLT 15 has been organized by a program committee consisting of Anton Nijholt (chair, The Nether- lands), Niels Ole Bernsen (Denmark), Philip Brey (The Netherlands), James Lester (USA), Stephen Mat- suba (Canada), Pierre Nugues (France) and Oliviero Stock (Italy).