title: exploiting constraint-like data characterizations in query optimization. authors: jarek gryz , calisto zuzarte , parke godfrey. venue: sigmod conference. year: 2001
title: parametric query optimization. authors: yannis e. ioannidis , raymond t. ng , kyuseok shim , timos k. sellis. venue: the vldb journal -- the international journal on very large data bases. year: 1997