@ARTICLE {
        BLNis13.2,
	AUTHOR = "N. Brisaboa and S. Ladra and G. Navarro",
	TITLE = "Compact Representation of Web Graphs with Extended 
		Functionality",
        JOURNAL = {Information Systems},
	VOLUME = 39,
	NUMBER = 1,
	PAGES = "152--174",
        YEAR = 2014
        }