François Bry François Fages Massimo Marchiori Hans Jürgen Ohlbach 05371 Abstracts Collection - Principles and Practices of Semantic Web Reasoning. 2005 conf/dagstuhl/2005P5371 Principles and Practices of Semantic Web Reasoning http://drops.dagstuhl.de/opus/volltexte/2006/481 db/conf/dagstuhl/P5371.html#BryFMO05