AnHai Doan Alon Y. Halevy Natalya Fridman Noy Semantic Integration Workshop at the Second International Semantic Web Conference (ISWC-2003). 109-112 2004 25 AI Magazine 1 db/journals/aim/aim25.html#DoanHN04 http://www.aaai.org/ojs/index.php/aimagazine/article/view/1753