@inproceedings{KR-1994-Selman,
	author        = "Bart Selman",
	booktitle     = "{Proceedings of the Fourth International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-328-X",
	pages         = "521--529",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Near-Optimal Plans, Tractability, and Reactivity}",
	year          = 1994,
}