@inproceedings{KR-2008-SimariBSK,
	author        = "Gerardo I. Simari and Matthias Broecheler and V. S. Subrahmanian and Sarit Kraus",
	booktitle     = "{Proceedings of the 11th International Conference on Principles of Knowledge Representation and Reasoning}",
	ee            = "http://www.aaai.org/Library/KR/2008/kr08-007.php",
	isbn          = "978-1-57735-384-3",
	pages         = "59--69",
	publisher     = "{AAAI Press}",
	title         = "{Promises Kept, Promises Broken: An Axiomatic and Quantitative Treatment of Fulfillment}",
	year          = 2008,
}