title: efficient approximation of optimization queries under parametric aggregation constraints. authors: dimitrios gunopulos , nick koudas , divesh srivastava , michail vlachos , sudipto guha. venue: vldb. year: 2003.0
title: efficient mid-query re-optimization of sub-optimal query execution plans navin kabra , david j. dewitt. authors: nan. venue: international conference on management of data. year: 1998.0