Jan Chomicki Parke Godfrey Jarek Gryz Dongming Liang Skyline with Presorting. 717-816 http://csdl.computer.org/comp/proceedings/icde/2003/2071/00/20710717abs.htm 2003 conf/icde/2003 ICDE db/conf/icde/icde2003.html#ChomickiGGL03