@inproceedings{KR-2010-Masolo,
	author        = "Claudio Masolo",
	booktitle     = "{Proceedings of the 12th International Conference on Principles of Knowledge Representation and Reasoning}",
	ee            = "http://aaai.org/ocs/index.php/KR/KR2010/paper/view/1387",
	publisher     = "{AAAI Press}",
	title         = "{Understanding Ontological Levels}",
	year          = 2010,
}