@article {DBLP:journals/tkde/QiaoCCY14,
	title = {{A}pproximate {S}hortest {D}istance {C}omputing: {A} {Q}uery-{D}ependent {L}ocal {L}andmark {S}cheme},
	journal = {IEEE Trans. Knowl. Data Eng.},
	volume = {26},
	number = {1},
	year = {2014},
	pages = {55-68},
	url = {http://doi.ieeecomputersociety.org/10.1109/TKDE.2012.253},
	author = {Miao Qiao and Hong Cheng and Lijun Chang and Jeffrey Xu Yu}
}
