The emergent ?eld of Intelligent Distributed Computing brings together two wellestablishedareasofComputerScience:DistributedComputingandC- putational Intelligence. Theoretical foundations and practical applications of Intelligent Distributed Computing set the premises for the new generation of intelligent distributed information systems. Intelligent Distributed Computing ¿ IDC Symposium Series was started as an initiative of research groups from: (i) Systems Research Institute, P- ish Academy of Sciences in Warsaw, Poland and (ii) Software Engineering Department of the University of Craiova, Craiova, Romania. IDC aims at bringing together researchers and practitioners involved in all aspects of - telligent Distributed Computing. IDC is interested in works that are relevant for both Distributed Computing and Computational Intelligence, with sci- ti?c contribution in at least one of these two areas. IDC¿2010 was the fourth event in the series and was hosted by IEEE Morocco Section in Tangier, - rocco duringSeptember16-18,2010. IDC¿2010wascollocatedwith:(i)NATO summer schoolon¿SoftwareAgents, Agent Systems andtheir Applications¿; nd (ii) 2 International Workshop on Multi-Agent Systems Technology and - mantics, MASTS¿2010. The material published in this book is divided into three main parts: (i) 1 invited contribution; (ii) 28 contributions of IDC¿2010 participants; and (iii) 4 contributions of MASTS¿2010 participants. The response to IDC¿2010 call for paper was generous. We received 53 submissions from 20 countries (we counted the country of each coauthor for each submitted paper). Each submission was carefully reviewed by at least 3 members of the IDC¿2010 Program Committee.

Invited Papers.- Multi-Agent Systems: A Paradigm to Design Ambient Intelligent Applications.- Information Extraction and Web Applications.- High-Level Web Data Abstraction Using Language Integrated Query.- Semantic Web Service Clustering for Efficient Discovery Using an Ant-Based Method.- A Distributed Service-Based Software Infrastructure for Trip Planning in Motorway Auto-routes Context.- WebKM - Online Data Mining System.- A New Framework for the Extraction of Contour Lines in Scanned Topographic Maps.- Collaborative Systems.- A Collaborative Approach to Construction of Complex Service Oriented Systems.- Collaborative Distributed Fault Simulation for Digital Electronic Circuits.- Go4Flex: Goal-Oriented Process Modelling.- Towards a Reference Model for the Runtime-Phase of Semantic Data Mediation.- Distributed Algorithms and Complex Systems.- A Distributed Algorithm for Personalized Trust Evaluation in Social Networks.- A Distributed Associative Classification Algorithm.- Distributed Multi-agent System for Solving Traveling Salesman Problem Using Ant Colony Optimization.- Optimal Message Interchange in a Self-organizing Multi-agent System.- Pervasive, Ambiental and Grid Computing.- Compromised Resources Tolerance in Grid Computing Systems.- Pervasive Home Security: An Intelligent Domotics Application.- Ambient Intelligence: From Scenario Analysis towards a Bottom-Up Design.- Equitable Leach-E Protocol for Heterogeneous Wireless Sensor Networks.- Ontologies and Rules.- Evaluation of Semi-automated Ontology Instance Migration.- Morality in Group Decision Support Systems in Medicine.- A Domain Ontology Learning from Web Documents.- Articulation and Sharing of Distributed Design Project and Process Knowledge.- Modeling and Security.- High-Level Petri Nets with Object-Orientation - A High-Level Petri Net Model Allowing Multiple Inheritance and Multiple Polymorphism.- Mobile Agents with Timers, and Their Implementation.- Improving the Security of CHAP Protocol by Quantum Cryptography.- Simulation of Botnets: Agent-Based Approach.- Parallel Computational Intelligence.- Parallel Artificial Bee Colony Algorithm Approaches for Protein Structure Prediction Using the 3DHP-SC Model.- Parallel Constraint-Based Local Search on the Cell/BE Multicore Architecture.- Analysis of Huge Volume of Documents on a Hybrid HPC Cluster.- MASTS'2010 Papers.- Agent-Based Information Sharing for Ambient Intelligence.- An Economy Model Based on Barter Exchanges between Software Agents.- Finding Network Resources by Using Mobile Agents.- VICAL: Visual Cognitive Architecture to Understanding Image Semantic Content.