Social Computing Social Computing Theories Social System Design and Architectures Social Signal Processing Social Networks Reality Mining Mobile Social Semantic Web Social Behavior Modeling Social Intelligence and Social Cognition Social Media Analytics and Social Media Intelligence Social Computing Applications such as collaborative filtering, bookmarking, tagging, and multi-agent systems, user generated content, blogs, wikis, and discussions Human-Computer Interaction and Interface Design Emotional Intelligence, Cultural Dynamics, Opinion Representation, and Influence Process Data Mining, Machine Learning, Information Retrieval, Artificial Intelligence in Social Contexts Trust, Privacy, Risk and Security in Social Contexts Services Science, Quality, Architecture, Management, Tools, and Case Studies