The refereed proceedings of the International Central and Eastern European Conference on Multi-Agent Systems, CEEMAS 2003, held in Prague, Czech Republic, in June 2003.

Invited Talks.- Making Agents Acceptable to People.- Coalition Formation: Towards Feasible Solutions Abstract of a Key-Note Speech.- Coalition Task Support Using I-X and ?I-N-C-A?.- Formal Methods.- Towards Motivation-Based Decisions for Worth Goals.- Modal Structure for Agents Interaction Based on Concurrent Actions.- A Multi-agent Modal Language for Concurrency with Non-communicating Agents.- Self-Synchronization of Cooperative Agents in a Distributed Environment.- MIP-Nets: A Compositional Model of Multiagent Interaction.- Social Knowledge & Meta-Reasoning.- Calibrating Collective Commitments.- Abstract Architecture for Meta-reasoning in Multi-agent Systems.- Balancing Individual Capabilities and Social Peer Pressure for Role Adoption.- From Social Agents to Multi-agent Systems: Preliminary Report.- Negotiation & Policies.- DAML-Based Policy Enforcement for Semantic Data Transformation and Filtering in Multi-agent Systems.- Architectures for Negotiating Agents.- RIO : Roles, Interactions and Organizations.- Conversation Mining in Multi-agent Systems.- Ontologies & Languages.- The Knowledge Market: Agent-Mediated Knowledge Sharing.- Ontology of Cooperating Agents by Means of Knowledge Components.- Mapping between Ontologies in Agent Communication.- A Social ACL Semantics by Deontic Constraints.- A Formal Specification Language for Agent Conversations.- Planning.- Framework for Multi-agent Planning Based on Hybrid Automata.- Multi-agent System for Resource Allocation and Scheduling.- Towards Autonomous Decision Making in Multi-agent Environments Using Fuzzy Logic.- Towards an Object Oriented Implementation of Belief-Goal-Role Multi-agent Systems.- Coalitions.- Fuzzy Coalition Formation among Rational Cooperative Agents.- Multi-agent Simulation of Work Teams.-Multi-agent Knowledge Logistics System "KSNet": Implementation and Case Study for Coalition Operations.- Evolution & Emergent Behavior.- Learning User Preferences for Multi-attribute Negotiation: An Evolutionary Approach.- A Model of Co-evolution in Multi-agent System.- Emergence of Specialized Behavior in a Pursuit-Evasion Game.- On a Dynamical Analysis of Reinforcement Learning in Games: Emergence of Occam's Razor.- Forgiveness in Strategies in Noisy Multi-agent Environments.- Platforms.- An Unified Framework for Programming Autonomous, Intelligent and Mobile Agents.- Tailoring an Agent Architecture to a Flexible Platform Suitable for Cooperative Robotics.- Airports for Agents: An Open MAS Infrastructure for Mobile Agents.- Beyond Prototyping in the Factory of Agents.- Agent Oriented Software Engineering with INGENIAS.- Protocols.- Requirement Analysis for Interaction Protocols.- Engineering a Protocol Server Using Strategy-Agents.- Refinement of Open Protocols for Modelling and Analysis of Complex Interactions in Multi-agent Systems.- Security.- Biological Approach to System Information Security (BASIS): A Multi-agent Approach to Information Security.- Adaptive Agents Applied to Intrusion Detection.- Communication Security in Multi-agent Systems.- Teamwork of Hackers-Agents: Modeling and Simulation of Coordinated Distributed Attacks on Computer Networks.- Real-Time & Synchronization.- Formal Modeling of Dynamic Environments for Real-Time Agents.- Deliberative Server for Real-Time Agents.- Regional Synchronization for Simultaneous Actions in Situated Multi-agent Systems.- A Multi-agent System for Dynamic Network Reconfiguration.- Industrial Applications.- A Highly Distributed Intelligent Multi-agent Architecture for Industrial Automation.- The Cambridge PackingCell - A Holonic Enterprise Demonstrator.- Towards Autonomy, Self-Organisation and Learning in Holonic Manufacturing.- An Agent-Based Personalized Producer/Consumer Scenario.- Application of Intelligent Agents in Power Industry: Promises and Complex Issues.- E-business & Virtual Enterprises.- Brokering in Electronic Insurance Markets.- Modelling Electronic Organizations.- The Use of Adaptive Negotiation by a Shopping Agent in Agent-Mediated Electronic Commerce.- Agent Interaction Protocols for the Selection of Partners for Virtual Enterprises.- Web & Mobile Agents.- A Multiagent-Based Peer-to-Peer Network in Java for Distributed Spam Filtering.- Engineering Web Service Invocations from Agent Systems.- A Component Based Multi-agent Architecture to Support Mobile Business Processes.- Code Complexity Metrics for Mobile Agents Implemented with Aspect/J(TM).