@ARTICLE {
	AUTHOR = "Valeria Fionda and Claudio Gutierrez and Giuseppe Pirro",
	TITLE ="Building Knowledge Maps of Web Graphs",
	JOURNAL = "Artificial Intelligence (AI)",
	VOLUME = "239",
	PAGES = "143-167",
	YEAR = "2016",
	PUBLISHER = "Elsevier Science",
	ADDRESS = "Amsterdam, The Netherlands",
	}