Xiaoyong Chai Mayssam Sayyadian AnHai Doan Arnon Rosenthal Len Seligman Analyzing and revising data integration schemas to improve their matchability. 773-784 2008 1 PVLDB 1 http://www.vldb.org/pvldb/1/1453940.pdf db/journals/pvldb/pvldb1.html#ChaiSDRS08