@inproceedings{ferrara2012role,
Author = {Ferrara, E. and De Meo, P. and Fiumara, G. and Provetti, A.},
Title ={The role of strong and weak ties in Facebook: a community structure perspective},
Year = {2012},
Booktitle = {CHASM ’12: Computational Approaches to Social Modeling (accepted).}
}