Overview and Roadmap -- Overview of RoboCup 2003 Competition and Conferences -- RoboCup: Yesterday, Today, and Tomorrow Workshop of the Executive Committee in Blaubeuren, October 2003 -- Invited Papers -- Challenges in Robust Situation Recognition through Information Fusion for Mission Criticial Multi-agent Systems -- On Role Allocation in RoboCup -- On the Role of Quantitative Descriptions of Behaviour in Mobile Robotics Research -- Technical Papers -- Complexity Science and Representation in Robot Soccer -- Recognition and Prediction of Motion Situations Based on a Qualitative Motion Description -- Evaluating Team Performance at the Edge of Chaos -- Hidden Markov Modeling of Team-Play Synchronization -- Designing Agent Behavior with the Extensible Agent Behavior Specification Language XABSL -- Feature-Based Declarative Opponent-Modelling -- Scenario-Based Teamworking, How to Learn, Create, and Teach Complex Plans? -- Specifying Agent Behaviors with UML Statecharts and StatEdit -- Echo State Networks for Mobile Robot Modeling and Control -- Model and Behavior-Based Robotic Goalkeeper -- Evolving Visual Object Recognition for Legged Robots -- Coaching Advice and Adaptation -- Technical Solutions of TsinghuAeolus for Robotic Soccer -- A Real-Time Auto-Adjusting Vision System for Robotic Soccer -- Knowledge-Based Autonomous Dynamic Colour Calibration -- Playing Robot Soccer under Natural Light: A Case Study -- Tracking Regions -- Fast and Robust Edge-Based Localization in the Sony Four-Legged Robot League -- A Symmetry Operator and Its Application to the RoboCup -- RoboCup as an Introduction to CS Research -- RoboCup in Higher Education: A Preliminary Report -- Scaffolding Children’s Robot Building and Programming Activities -- Planning Trajectories in Dynamic Environments Using a Gradient Method -- Local Multiresolution Path Planning -- A Humanoid Approaches to the Goal – Reinforcement Learning Based on Rhythmic Walking Parameters -- Design of Walking Gaits for Tao-Pie-Pie, a Small Humanoid Robot -- ProRobot – Predicting the Future of Humanoid Robots -- Traction Monitoring for Collision Detection with Legged Robots -- Multi-robot Control in Highly Dynamic, Competitive Environments -- Developing Comprehensive State Estimators for Robot Soccer -- Cooperative Soccer Play by Real Small-Size Robot -- On-Board Vision Using Visual-Servoing for RoboCup F-180 League Mobile Robots -- A Plugin-Based Architecture for Simulation in the F2000 League -- Development of a Simulator of Environment and Measurement for Autonomous Mobile Robots Considering Camera Characteristics -- Simulation League: The Next Generation -- Posters -- Educational Features of Malaysian Robot Contest -- A Hybrid Software Platform for Sony AIBO Robots -- A Rule-Driven Autonomous Robotic System Operating in a Time-Varying Environment -- Trot Gait Design Details for Quadrupeds -- The High-Level Communication Model for Multi-agent Coordination in the RoboCupRescue Simulator -- Pseudo-local Vision System Using Ceiling Camera for Small Multi-robot Platforms -- Using Model-Based Diagnosis to Build Hypotheses about Spatial Environments -- Self-localization Method Using Two Landmarks and Dead Reckoning for Autonomous Mobile Soccer Robots -- Speed-Dependent Obstacle Avoidance by Dynamic Active Regions -- Using the Opponent Pass Modeling Method to Improve Defending Ability of a (Robo)Soccer Simulation Team -- Topological Navigation in Configuration Space Applied to Soccer Robots -- A Fuzzy Reinforcement Learning for a Ball Interception Problem -- Intelligent Control of Autonomous Mobile Soccer Robot Adapting to Dynamical Environment -- A Hierarchical Multi-module Learning System Based on Self-interpretation of Instructions by Coach -- Building Aunt Hillary: Creating Artificial Minds with ‘Neural Nests’ -- Autonomous Robot Controllers Capable of Acquiring Repertoires of Complex Skills -- A New Odometry System to Reduce Asymmetric Errors for Omnidirectional Mobile Robots -- Texture-Based Pattern Recognition Algorithms for the RoboCup Challenge -- An Open Robot Simulator Environment -- Application of Parallel Scenario Description for RoboCupRescue Civilian Agent -- RoboCup Advanced 3D Monitor -- RoboCup Rescue Simulation: Methodologies Tools and Evaluation for Practical Applications -- An Efficient Need-Based Vision System in Variable Illumination Environment of Middle Size RoboCup -- Filling the Gap among Coordination, Planning, and Reaction Using a Fuzzy Cognitive Model -- Toward an Undergraduate League for RoboCup -- A Probabilistic Framework for Weighting Different Sensor Data in MUREA -- Plays as Team Plans for Coordination and Adaptation -- Progress in Learning 3 vs. 2 Keepaway -- Distributed Control of Gait for a Humanoid Robot -- Predicting Away Robot Control Latency -- Towards a Probabilistic Asynchronous Linear Control Theory -- Recognizing and Predicting Agent Behavior with Case Based Reasoning -- Case Based Game Play in the RoboCup Four-Legged League Part I The Theoretical Model -- How Contests Can Foster the Research Activities on Robotics in Developing Countries: Chile – A Case Study -- Grounding Robot Sensory and Symbolic Information Using the Semantic Web.