@article {horvat_12_you, title = {You Are Who Knows You: Predicting Links Between Non-Members of Facebook}, journal = {European Conference on Complex Systems. Proceedings}, volume = {3}, year = {2012}, note = {1}, pages = {309-315}, doi = {10.1007/978-3-319-00395-5_41}, author = {Horvát, E.-Á. and Hanselmann, M. and Fred A. Hamprecht and K. A. Zweig} }