RoboCup 2004 Overview -- RoboCup 2004 Overview -- Award Winner Papers -- Map-Based Multiple Model Tracking of a Moving Object -- UCHILSIM: A Dynamically and Visually Realistic Simulator for the RoboCup Four Legged League -- Full Papers -- CommLang: Communication for Coachable Agents -- Turning Segways into Robust Human-Scale Dynamically Balanced Soccer Robots -- A Constructive Feature Detection…