@inproceedings {4946,
	title = {Polynomial Encoding of ORM Conceptual Models in CFDI},
	booktitle = {International Workshop on Description Logics (DL)},
	year = {2015},
	url = {http://ceur-ws.org/Vol-1350/paper-50.pdf},
	author = {Pablo R. Fillottrani and C. Maria Keet and David Toman}
}
