@article{VLDB-2009-LiuSC,
	author        = "Ziyang Liu and Peng Sun and Yi Chen",
	ee            = "http://www.vldb.org/pvldb/2/vldb09-500.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "313--324",
	title         = "{Structured Search Result Differentiation}",
	volume        = 2,
	year          = 2009,
}