The link prediction problem for social networks.

@inproceedings{libennowell-2003-link, author = {David Liben-Nowell and Jon M. Kleinberg}, title = {{The link prediction problem for social networks}}, booktitle = {{Proceedings of the 2003 ACM CIKM International Conference on Information and Knowledge Management, New Orleans, Louisiana, USA, November 2-8, 2003}}, pages = {556--559}, publisher = {ACM}, year = {2003}, url = {https://doi.org/10.1145/956863.956972}, doi = {https://doi.org/10.1145/956863.956972} }