To ensure complete coverage of the advances in this broad area, the Social Computing and Semantic Data Mining Symposium solicits original contributions in, but not limited to, the following topical areas: Social Networks Social Media Analytics and Intelligent Social Media Social Service Science, Quality, Architecture Trust and Privacy in Social Contexts Social Networks/Media/Service System Design and Architectures Semantic Web Techniques Mobile Social Sensing Social Intelligence Social Behavior Modeling and Analysis Social Behavior Synthesis Opinion Representation, and Influence Process Modeling Reality Mining Real-world semantic applications Big Data Analytics and Storage Statistical Data Mining Data Mining, Machine Learning, Information Retrieval, Artificial Intelligence in Social Contexts Social signal Processing System Design and Architectures