@CONFERENCE{sh2010mobi,
author = {Shokri, R. and Papadimitratos, P. and Hubaux, J.-P. },
title = {{MobiCrowd: A Collaborative Location Privacy Preserving LBS Mobile
Proxy} },
booktitle = {ACM International Conference on Mobile Systems, Applications and
Services (ACM MobiSys) },
year = {2010 },
month = {June },
comment = {demonstration },
location = {San Francisco, CA, USA}
}