@INPROCEEDINGS {
	AUTHOR = "Marcelo Arenas and Gabriel Dieguez and Jorge P{\'e}rez",
	TITLE = "Expressiveness and Complexity of Bidirectional Constraints for Data Exchange",
	EDITOR = "Georg Gottlob and Jorge P'erez",
	BOOKTITLE = "8th Alberto Mendelzon International Workshop on Foundations of Data Management (AMW)",
	PAGES = "article 15",
	MONTH = "Jun",
	YEAR = "2014",
	ADDRESS = "Cartagena, Colombia",
	PUBLISHER = "CEUR Publications",
	SERIES ="CEUR Workshop Proceedings",
	}