@article{VLDB-2012-LiuRLMB,
	author        = "Changbin Liu and Lu Ren and Boon Thau Loo and Yun Mao and Prithwish Basu",
	ee            = "http://vldb.org/pvldb/vol5/p752_changbinliu_vldb2012.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 8,
	pages         = "752--763",
	title         = "{Cologne: A Declarative Distributed Constraint Optimization Platform}",
	volume        = 5,
	year          = 2012,
}