@inproceedings{SIGMOD-2006-PetropoulosDP,
	author        = "Michalis Petropoulos and Alin Deutsch and Yannis Papakonstantinou",
	booktitle     = "{Proceedings of the 24th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1142473.1142503",
	isbn          = "1-59593-256-9",
	pages         = "253--264",
	publisher     = "{ACM}",
	title         = "{Interactive query formulation over web service-accessed sources}",
	year          = 2006,
}