Contributions to Ubiquitous Computing

Supporting Mobility, Self-Healing and Self-Organisation.- Building Adaptable Mobile Middleware Services Using Logical Mobility Techniques.- Towards Self-healing Composition of Services.- Wireless Sensor Networks.- Common-interest Based Self-organising E-Learner Communities.- A Service Component Architecture to Federate E-Universities: A Case Study in Virtual Mobility.- Components and Solutions for Business and Industry.- Wireless Asset Management.- Knowledge Management for E-Maintenance of Industrial Automation Systems.- Using Formal Concept Analysis for Semantic Web Applications.- A Fair Off-line Electronic Payment System.- A UML Profile to Model Safety-Critical Embedded Real-Time Control Systems.- Distributed Systems Management, Effective Communication and Security.- Probabilistic Management of Distributed Systems.- Denial of Service Detection in Mobile Agent Systems with Dependencies in Computations.- Fighting Internet Congestion by Means of Chaos Control.- Securing Communication by Chaos-based Encryption.- A Chip Performing Chaotic Stream Encryption.