@inproceedings{wu2017returning,
 author = {Wu, Qingyun and Wang, Hongning and Hong, Liangjie and Shi, Yue},
 title = {Returning is Believing: Optimizing Long-term User Engagement in Recommender Systems},
 booktitle = {Proceedings of the 2017 ACM on Conference on Information and Knowledge Management},
 series = {CIKM '17},
 year = {2017},
 isbn = {978-1-4503-4918-5},
 location = {Singapore, Singapore},
 pages = {1927--1936},
 numpages = {10},
 url = {http://doi.acm.org/10.1145/3132847.3133025},
 doi = {10.1145/3132847.3133025},
 acmid = {3133025},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {content recommendation, contextual bandit algorithm, user long-term engagement modeling},
}