title: integrating the ub-tree into a database system kernel robert fenk , rudolf bayer , volker markl , martin zirkel , frank ramsak , klaus elhardt vldb. authors: nan. venue: nan. year: 2000.0
title: integrating the ub-tree into a database system kernel 2000. authors: frank ramsak , volker markl , robert fenk , martin zirkel , klaus elhardt , rudolf bayer. venue: very large data bases. year: nan