00432nas a2200157   4500000000100000000000100001008004100002260002300043100002000066700001500086700001400101700002000115245011600135300001600251490000700267       2011                            d  cNovember–Decemb.1 aFabiana Lorenzi1 aAna Bazzan1 aMara Abel1 aFrancesco Ricci00aImproving recommendations through an assumption-based multiagent approach: An application in the tourism domain  a14703-147140 v38