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: evaluating functional joins along nested reference sets in object-relational and object-oriented databases reinhard braumandl , jens clau &#223; en , alfons kemper. authors: nan. venue: very large data bases. year: 1998.0