Big Data and Social Computing : 7th China National Conference BDSC 2022 Hangzhou China August 11 13 2022 revised selected papers This book constitutes refereed proceedings of the 7th China National Conference on Big Data and Social Computing BDSC 2022 held in Hangzhou China from August 11 13 2022The 24 full papers and 2 short papers presented in this volume were carefully reviewed and selected from a total of 99 submissions. The papers in the volume are organised according to the following topical headings: urban computing and social governance; artificial intelligence and cognitive science; social network and group behavior; digital society and public security; digital government and public big data