Topics of interest include, but are not limited to: Participatory sensing, crowdsourcing, and citizen science Architectures, protocols, and enabling technologies for collaborative computing networks and systems Autonomic computing and quality of services in collaborative networks, systems, and applications Collaboration in pervasive and cloud computing environments Collaboration in data-intensive scientific discovery Collaboration in social media Big data and spatio-temporal data in collaborative environments/systems Collaboration techniques in data-intensive computing and cloud computing Collaborative e-education, e-learning, and collaborative computing in large scale digital libraries Collaboration in health-care environments Collaborative information seeking Collaborative mobile networks and infrastructures Collaborative technologies for fast creation and deployment of new mobile services Collaborative sensor networks, unmanned air and ground vehicle networks and applications Collaborative, context-aware infrastructure Collaborative, location-aware mobile systems/applications Computer supported collaborative work with distributed systems Cyber-physical systems Distributed collaborative workflows Data management and middleware support for collaborative information systems Energy management for collaborative networks Group-driven composition of systems from components Human-centric ubiquitous collaboration Human-robot collaboration Internet of Things (IoT) and collaboration Methodologies and tools for design and analysis of collaborative user applications Models and mechanisms for real-time collaboration Multi-agent technology and software technologies for collaborative networking and applications Peer-to-peer and overlay networks, systems, and applications Security, privacy and trust management in collaborative networks, systems, and applications Simulation, performance evaluation, experiments, and case studies of collaborative networks and applications Software design, testing, and experimentation technology for collaborative networking and applications Theoretical foundations and algorithms for collaborative networks, applications, and worksharing Tools for collaborative decision making processes Trustworthy collaborative business processing in virtual organizations Visualization techniques, interaction devices and visual languages for collaborative networks and applications Web services technologies and service-oriented architectures for collaborative networking and applications Workflow management for collaborative networks/systems