Robert McCann AnHai Doan Vanitha Varadarajan Alexander Kramnik ChengXiang Zhai Building Data Integration Systems: A Mass Collaboration Approach. 25-30 2003 conf/webdb/2003 WebDB http://www.cse.ogi.edu/webdb03/papers/05.pdf db/conf/webdb/webdb2003.html#McCannDVKZ03