@conference {118,
	title = {{M}aterialized {V}iew {S}election in {XML} {D}atabases},
	booktitle = {DASFAA},
	year = {2009},
	pages = {616-630},
	author = {Nan Tang and Yu, Jeffrey Xu and Hao Tang and M. Tamer {\"O}zsu and Peter A. Boncz}
}
@conference {DBLP:conf/icde/TangYOW08,
	title = {{H}ierarchical {I}ndexing {A}pproach to {S}upport {XP}ath {Q}ueries},
	booktitle = {ICDE},
	year = {2008},
	pages = {1510-1512},
	author = {Nan Tang and Yu, Jeffrey Xu and M. Tamer {\"O}zsu and Kam-Fai Wong}
}
