@article {DBLP:journals/pvldb/WeiYLJ14,
	title = {{R}eachability {Q}uerying: {A}n {I}ndependent {P}ermutation {L}abeling {A}pproach},
	journal = {PVLDB},
	volume = {7},
	number = {12},
	year = {2014},
	pages = {1191{\textendash}1202},
	url = {http://www1.se.cuhk.edu.hk/~hwei/paper/vldb14-reachability.pdf},
	author = {Hao Wei and Jeffrey Xu Yu and Can Lu and Ruoming Jin}
}
