@inproceedings {4949,
	title = {Cost-Based Query Optimization via AI Planning},
	booktitle = {AAAI Conference on Artificial Intelligence (AAAI)},
	year = {2014},
	url = {http://www.aaai.org/ocs/index.php/AAAI/AAAI14/paper/view/8638},
	author = {Nathan Robinson and Sheila A. McIlraith and David Toman}
}
