Invited Papers -- Intelligent Gossip -- Infrastructure for Ontological Resource Matching in a Virtual Organization -- Architecture and Metaphors for Eternally Adaptive Service Ecosystems -- Regular Papers -- An Agent Based Approach to the Selection Dilemma in CBR -- Modeling Interactions in Agent-Based English Auctions with Matchmaking Capabilities -- Output-Driven XQuery Evaluation -- Approximating All-to-All Broadcast in Wireless Networks -- Trusting Evaluation by Social Reputation -- Linguistic Extraction for Semantic Annotation -- Xord: An Implementation Framework for Efficient XSLT Processing -- A Simple Trust model for On-Demand Routing in Mobile Ad-Hoc Networks -- A Platform for Collaborative Management of Semantic Grid Metadata -- Distributed Approach for Genetic Test Generation in the Field of Digital Electronics -- A Planning-Based Approach for Enacting World Wide Argument Web -- A Distributed Immune Algorithm for Solving Optimization Problems -- Evaluation of Selective Distributed Discovery within Distributed Bio-active Agent Community -- VPOET: Using a Distributed Collaborative Platform for Semantic Web Applications -- Are Many Heads Better Than One—On Combining Information from Multiple Internet Sources -- Formal Modeling and Verification of Real-Time Multi-Agent Systems: The REMM Framework -- Email Archiving and Discovery as a Service -- Similarity of DTDs Based on Edit Distance and Semantics -- Timer-Based Composition of Fault-Containing Self-stabilizing Protocols -- Calibrating an Embedded Protocol on an Asynchronous System -- Short Papers -- On Establishing and Fixing a Parallel Session Attack in a Security Protocol -- Constructing Security Protocol Specifications for Web Services -- On the Foundations of Web-Based Registries for Business Rules -- Large-Scale Data Dictionaries Based on Hash Tables -- Undo in Context-Aware Collaborative Ubiquitous-Computing Environments -- Understanding Distributed Program Behavior Using a Multicast Communication Scheme -- Multi-agent Conflict Resolution with Trust for Ontology Mapping -- Algorithmic Trading on an Artificial Stock Market -- Towards a Visual Definition of a Process in a Distributed Environment -- A Multi-agent Recommender System for Supporting Device Adaptivity in E-Commerce -- Dynamically Computing Reputation of Recommender Agents with Learning Capabilities -- Topic Map for Medical E-Learning.