@conference {DBLP:conf/dasfaa/ChengYD07,
	title = {{C}ost-{B}ased {Q}uery {O}ptimization for {M}ulti {R}eachability {J}oins},
	booktitle = {DASFAA},
	year = {2007},
	pages = {18-30},
	author = {Jiefeng Cheng and Yu, Jeffrey Xu and Bolin Ding}
}
