title: languages for multi-database interoperability 1997. authors: laks v. s. lakshmanan , frédéric gingras , nematollaah shiri , despina papoulis , iyer n. subramanian. venue: sigmod conference. year: nan
title: schemasql : an extension to sql for multidatabase interoperability 2001. authors: laks v. s. lakshmanan , fereidoon sadri , subbu n. subramanian. venue: acm transactions on database systems ( tods ). year: nan