@article{VLDB-2013-LongWGJ,
	author        = "Cheng Long and Raymond Chi-Wing Wong and H. V. Jagadish",
	ee            = "http://www.vldb.org/pvldb/vol6/p949-long.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 10,
	pages         = "949--960",
	title         = "{Direction-Preserving Trajectory Simplification}",
	volume        = 6,
	year          = 2013,
}