@inproceedings{MezzourPGP:2009,   
author = {G. Mezzour and A. Perrig and V. Gligor and P. Papadimitratos},   
title = {{P}rivacy-{P}reserving {R}elationship {P}ath {D}iscovery in {S}ocial {N}etworks},   
booktitle = {Proceedings of the 8th International Conference on Cryptology and Network Security},
series = {CANS '09},   
month = {December},
year = {2009},   
location = {Kanazawa, Japan},   
pages = {189--208}, }