Invited Papers.- The world of autonomous distributed systems.- Time and Space Coordination of Mobile Agents.- The Difficulty of Search and an Interesting Solution.- Distributed Decision Making for Robot Teams.- Fully Coupled and Feedforward Neural Networks with Complex-Valued Neurons.- Regular Papers.- Cluster-Based Route Discovery Protocol.- Object-Oriented High Level Petri Nets as a Formal Language for Modelling and Design Multi-Agent Systems.- Considerations on the Design and Implementation of an Agent-Based Auction Service.- Automatic Streaming Processing of XSLT Transformations Based on Tree Transducers.- Knowledge Processing for Web Search — An Integrated Model.- Applying Social Behaviours to Model Trusting.- Using Ant’s Alarm Pheromone to Improve Software Testing Automation *.- Aspects Concerning SVM Method’s Scalability.- On Interchange between JBoss Rules and Jess.- A Cross-Entropy Approach to Solving Dec-POMDPs.- Polyphony, a Knowledge-based Chat System Supporting Collaborative Work.- Decomposition and Processing Strategies of Global XQuery Queries over Distributed Environments.- Description and Organization of Instructional Resources in an Adaptive Educational System Focused on Learning Styles.- JTangPS: Content-Based Publish/Subscribe over Structured P2P Networks.- Using the color set back-projection algorithm in retrieval and evaluation of endoscopic images.- Granularity of Medical Software Agents in ICU -Trade-off Performance versus Flexibility.- APP: Agent Planning Package.- Converting Programs into Constraint Satisfaction Problems.- Regular Papers.- Models for Temporal and Spatial Terrain Coverage.- Using Genetic Algorithms to Optimise Rough Set Partition Sizes for HIV Data Analysis.- Semantic Web and Rule Reasoning inside of E-Learning Systems.-Web-based Remote Digital Signal Processing (DSP) Laboratory Using the Integrated Learning Methodology (ILM).- Reasoning on Activity-centered Semantics in Request-Service Matchmaking.- Marked-Controlled Rewriting EFPN for Dynamic Knowledge Inference.- Off-Line Signature Verification using Feature Based Image Registration.- Collaboration of Intelligent, Autonomous Systems: Situation Aware Behavior Change.- On the Distributed Water Pollution Control Solving with an Agent-Based Approach.- Learn Reversi using Parallel Genetic Algorithms.- Graph-based semantic description and information extraction in analysis of 3D coronary vessels visualizations.