Who proposed the relationship?: recovering the hidden directions of undirected social networks.

@inproceedings{zhang-2014-proposed, author = {Jun Zhang and Chaokun Wang and Jianmin Wang}, editor = {Chin-Wan Chung and Andrei Z. Broder and Kyuseok Shim and Torsten Suel}, title = {{Who proposed the relationship?: recovering the hidden directions of undirected social networks}}, booktitle = {{23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014}}, pages = {807--818}, publisher = {ACM}, year = {2014}, url = {https://doi.org/10.1145/2566486.2567968}, doi = {https://doi.org/10.1145/2566486.2567968} }