title: data-driven understanding and refinement of schema mappings. authors: laura m. haas , ling-ling yan , ronald fagin , renée j. miller. venue: sigmod conference. year: 2001
title: data-driven understanding and refinement of schema mappings. authors: ling ling yan , ren &#233; e j. miller , laura m. haas , ronald fagin. venue: international conference on management of data. year: 2001