The first ACM international workshop on big network analytics is held in Indianapolis, Indiana, USA on October 24, 2016 and co-located with the ACM 25th Conference on Information and Knowledge Management (CIKM). The main objective of the workshop is to provide a forum for presenting the most recent advances in mining big networks to unearth rich knowledge. It is related to information retrieval, Web mining, social network analysis, and computational advertising. The anticipated outcome includes a fruitful discussion about the emerging challenges in this field, the development of novel theories for mining big networks, and motivating the interesting applications. The broader anticipated outcome includes: fostering future research directions, publishing high quality papers, attracting new researchers to this field, and concrete solutions to the existing problems.