Xuan Zhou, Julien Gaugaz, Wolf-Tilo Balke, Wolfgang Nejdl. Query relaxation using malleable schemas. In Chee Yong Chan, Beng Chin Ooi, Aoying Zhou, editors, Proceedings of the ACM SIGMOD International Conference on Management of Data, Beijing, China, June 12-14, 2007. pages 545-556, ACM, 2007. [doi]
Abstract is missing.