Giulianella Coletti Romano Scozzafava Barbara Vantaggi Weak Implication in Terms of Conditional Uncertainty Measures. 139-150 2007 conf/ecsqaru/2007 ECSQARU http://dx.doi.org/10.1007/978-3-540-75256-1_15 db/conf/ecsqaru/ecsqaru2007.html#ColettiSV07