Paulo Cesar G. da Costa Claudia d'Amato Nicola Fanizzi Kathryn B. Laskey Kenneth J. Laskey Thomas Lukasiewicz Matthias Nickles Michael Pool Uncertainty Reasoning for the Semantic Web I, ISWC International Workshops, URSW 2005-2007, Revised Selected and Invited Papers 5327 2008 978-3-540-89764-4 URSW (LNCS Vol.) Lecture Notes in Computer Science Springer db/conf/semweb/lncs5327.html