Social Informatics

The two-volume set LNCS 10539 and 10540 constitutes the proceedings of the 9th International Conference on Social Informatics, SocInfo 2017, held in �Oxford, UK, in September 2017. The 37 full papers and 43 poster papers presented in this volume were carefully reviewed and selected from 142 submissions. The papers �are organized in topical sections named: economics, science of success, and education; network science; news, misinformation, and collective sensemaking; opinions, behavior, and social media mining; proximity, location, mobility, and urban analytics; security, privacy, and trust; tools and methods; and health and behaviour.