@conference {DBLP:conf/sigmod/GaoYJZWY11,
	title = {{N}eighborhood-privacy protected shortest distance computing in cloud},
	booktitle = {SIGMOD Conference},
	year = {2011},
	pages = {409-420},
	author = {Jun Gao and Yu, Jeffrey Xu and Ruoming Jin and Jiashuai Zhou and Tengjiao Wang and Dongqing Yang}
}
