@book{42396,
	author = {Yu, Liyang.},
	title = {Introduction to Semantic Web and Semantic Web services /},
	publisher = {Chapman & Hall/CRC,},
	year = {c2007.},
	address = {Boca Raton :},
	url = {http://www.loc.gov/catdir/toc/ecip076/2006101007.html}
}