We know who you followed last summer: inferring social link creation times in twitter.

@inproceedings{meeder-2011-know, author = {Brendan Meeder and Brian Karrer and Amin Sayedi and R. Ravi and Christian Borgs and Jennifer T. Chayes}, editor = {Sadagopan Srinivasan and Krithi Ramamritham and Arun Kumar and M. P. Ravindra and Elisa Bertino and Ravi Kumar}, title = {{We know who you followed last summer: inferring social link creation times in twitter}}, booktitle = {{Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011}}, pages = {517--526}, publisher = {ACM}, year = {2011}, url = {https://doi.org/10.1145/1963405.1963479}, doi = {https://doi.org/10.1145/1963405.1963479} }