@inproceedings{KDD-2001-SpanglerK,
	acmid         = "502512.502582",
	author        = "W. Scott Spangler and Jeffrey T. Kreulen",
	booktitle     = "{Proceedings of the Seventh International Conference on Knowledge Discovery and Data Mining}",
	isbn          = "1-58113-391-X",
	pages         = "462--466",
	publisher     = "{ACM}",
	title         = "{Knowledge base maintenance using knowledge gap analysis}",
	year          = 2001,
}