Abstract. The Clio project provides tools that vastly simplify information integration. Information integration requires data conversions to bring data in different representation...
Ronald Fagin, Laura M. Haas, Mauricio A. Hern&aacu...
To successfully carry out a software maintenance or reengineering task, a suitably assembled set of tools is required, which interoperate seaminglessly. To achieve this goal, an e...
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...