Luke McDowell Oren Etzioni Steven D. Gribble Alon Y. Halevy Henry M. Levy William Pentney Deepak Verma Stani Vlasseva Evolving the Semantic Web with Mangrove. 2003 WWW (Posters) http://www2003.org/cdrom/papers/poster/p167/p167-mcdowell.html db/conf/www/www2003p.html#McDowellEGHLPVV03