Wikipedia as a Source of Ontological Knowledge: State of the Art and Application.-Toward a methodology of collaborative Modeling and Simulation of Complex Systems.- Role-Based Collaboration Extended to Pervasive Computing.- Evolving Schedules of Independent Tasks by Differential Evolution.- A Lightweight Approach to Distributed Network Diagnosis under Uncertainty.- A Multi-Lane Double Auction for Economic-Based Service Management in the Cloud.- Decentralized Self-Optimization in Shared Resource Pools.- Monitoring and Performance Analysis of Workflow Applications in Large Scale Distributed Systems.- Scaling relations of data gathering times in an epidemically data sharing system with opportunistically communicating mobile sensors.- Multilaterally Secure Ubiquitous Auditing.- Intrusion Detection in Multi-Agent Systems.- A Round-based Cover Traffic Algorithm for Anonymity Systems.- Fault Recovery Performance Analysis of Functionally Distributed Transport Networking System.