Luke McDowell Oren Etzioni Steven D. Gribble Alon Y. Halevy Henry M. Levy William Pentney Deepak Verma Stani Vlasseva Mangrove: Enticing Ordinary People onto the Semantic Web via Instant Gratification. 754-770 http://dx.doi.org/10.1007/978-3-540-39718-2_48 2003 conf/semweb/2003 International Semantic Web Conference db/conf/semweb/iswc2003.html#McDowellEGHLPVV03