title: a query language for multidimensional arrays : design , implementation , and optimization techniques sigmod conference. authors: limsoon wong , rona machlin , leonid libkin. venue: nan. year: 1996.0
title: implementation of two semantic query optimization techniques in db2 universal database qi cheng , jarek gryz , fred koo , t. y. cliff leung , linqi liu , xiaoyan qian , k. bernhard schiefer very large data bases 1999. authors: nan. venue: nan. year: nan