title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: alfons kemper , reinhard braumandl , jens claußen. venue: vldb. year: 1998
title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: reinhard braumandl , jens clau &#223; en , alfons kemper. venue: very large data bases. year: 1998