00390nas a2200169   4500000000100000000000100001008004100002260001800043100002000061700001800081700001700099700001400116700001500130700002000145245004900165490000600214       2010                            d  cNovember 20101 aFabiana Lorenzi1 aGabriel Baldo1 aRafael Costa1 aMara Abel1 aAna Bazzan1 aFrancesco Ricci00aA Trust Model for Multiagent Recommendations0 v2