This book constitutes the thoroughly refereed proceedings of the 12th International Conference on Collaborative Computing: Networking, Applications, and Worksharing, CollaborateCom 2016, held in Beijing, China, in November 2016. The 66 papers presented were carefully reviewed and selected from 116 submissions and focus on topics such as: 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.