@article {Waterson:April 1999:0950-7051:45,
	author = "Waterson A.",
	author = "Preece A.",
	title = "Verifying ontological commitment in knowledge-based systems",
	journal = "Knowledge-Based Systems",
	volume = "12",
	year = "April 1999",
	abstract = "",
	pages = "45-54(10)",
	url = "http://www.ingentaconnect.com/content/els/09507051/1999/00000012/00000001/art00007"
	doi = "doi:10.1016/S0950-7051(99)00007-6"
}