@article {DBLP:journals/vldb/QinYC11,
	title = {{S}calable keyword search on large data streams},
	journal = {VLDB J.},
	volume = {20},
	number = {1},
	year = {2011},
	pages = {35-57},
	author = {Qin, Lu and Yu, Jeffrey Xu and Chang, Lijun}
}
