Francis C. Chu, Joseph Y. Halpern, Praveen Seshadri. Least Expected Cost Query Optimization: An Exercise in Utility. In Proceedings of the Eighteenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, May 31 - June 2, 1999, Philadelphia, Pennsylvania. pages 138-147, ACM Press, 1999. [doi]
Abstract is missing.