@conference {DBLP:conf/icde/QiaoCCY12,
	title = {{A}pproximate {S}hortest {D}istance {C}omputing: {A} {Q}uery-{D}ependent {L}ocal {L}andmark {S}cheme},
	booktitle = {ICDE},
	year = {2012},
	pages = {462-473},
	author = {Miao Qiao and Hong Cheng and Lijun Chang and Jeffrey Xu Yu}
}
