title: a logical foundation for deductive object-oriented databases mengchi liu , tok wang ling , gillian dobbie acm trans . database syst . 2002. authors: nan. venue: nan. year: nan
title: cost-driven vertical class partitioning for methods in object oriented databases 2003. authors: chi-wai fung , kamalakar karlapalem , qing li. venue: the vldb journal -- the international journal on very large data bases. year: nan