Uncertainty Reasoning for the Semantic Web I : ISWC International Workshop, URSW 2005-2007, Revised Selected and Invited Papers - Paulo Cesar G. Costa, Claudia d.Amato, Nicola Fanizzi, Kathryn B. Laskey, Kenneth J. Laskey, Thomas Lukasiewicz, Matthias Nickles, . Michael Pool ((Lecture Notes in Computer Science))