Marco Bianchi Mauro Draoli Giorgio Gambosi Giovanni Stilo A Support System for the Analysis and the Management of Complex Ruling Documents. 292-303 2009 BIS (Workshops) http://dx.doi.org/10.1007/978-3-642-03424-4_35 conf/bis/2009w db/conf/bis/bisw2009.html#BianchiDGS09