@inproceedings{KR-2008-Kazakov,
	author        = "Yevgeny Kazakov",
	booktitle     = "{Proceedings of the 11th International Conference on Principles of Knowledge Representation and Reasoning}",
	ee            = "http://www.aaai.org/Library/KR/2008/kr08-027.php",
	isbn          = "978-1-57735-384-3",
	pages         = "274--284",
	publisher     = "{AAAI Press}",
	title         = "{RIQ and SROIQ Are Harder than SHOIQ}",
	year          = 2008,
}