@inproceedings {180202, author = {Anirban Dasgupta and Kunal Punera and Justin M. Rao and Xuanhui Wang}, title = {Impact of Spam Exposure on User Engagement}, booktitle = {21st USENIX Security Symposium (USENIX Security 12)}, year = {2012}, isbn = {978-931971-95-9}, address = {Bellevue, WA}, pages = {33--48}, url = {https://www.usenix.org/conference/usenixsecurity12/technical-sessions/presentation/dasgupta}, publisher = {USENIX Association}, month = aug }