@INPROCEEDINGS{Meghini97, AUTHOR ="Loyer, Yann and Straccia, Umberto", TITLE ="Non-Uniform Hypothesis in Deductive Databases with Uncertainty", BOOKTITLE ="Proc. of the 18th Int. Conf. on Logic Programming(ICLP-02)", YEAR ="2002", publisher = SV, series = LNCS, number = "2401", pages = "473-474", address = "Copenhagen, Denmark" }