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.
