@article {3977,
	title = {Business Policy Modeling and Enforcement in Databases},
	journal = {Proceedings of the VLDB Endowment (PVLDB)},
	volume = {4},
	year = {2011},
	pages = {921--931},
	url = {http://www.vldb.org/pvldb/vol4/p921-ataullah.pdf},
	author = {Ahmed A. Ataullah and Frank Tompa}
}
