Cory Cornelius Apu Kapadia David Kotz Daniel Peebles Minho Shin Nikos Triandopoulos Anonysense: privacy-aware people-centric sensing. 211-224 2008 MobiSys http://doi.acm.org/10.1145/1378600.1378624 conf/mobisys/2008 db/conf/mobisys/mobisys2008.html#CorneliusKKPST08