@inproceedings{SEFM-2017-NguyenSGM,
	author        = "Chi Mai Nguyen and Roberto Sebastiani and Paolo Giorgini and John Mylopoulos",
	booktitle     = "{Proceedings of the 15th International Conference on Software Engineering and Formal Methods}",
	doi           = "10.1007/978-3-319-66197-1_5",
	isbn          = "['978-3-319-66196-4', '978-3-319-66197-1']",
	pages         = "70--86",
	publisher     = "{Springer}",
	title         = "{Modeling and Reasoning on Requirements Evolution with Constrained Goal Models}",
	year          = 2017,
}