@inproceedings {4969,
	title = {Applications and Extensions of PTIME Description Logics With Functional Constraints},
	booktitle = {International Joint Conference on Artificial Intelligence (IJCAI)},
	year = {2009},
	url = {http://ijcai.org/Proceedings/09/Papers/161.pdf},
	author = {David Toman and Grant Weddell}
}
