title: data and knowledge base research at hong kong university of science and technology babak hamidzadeh , kamalakar karlapalem , qing li , chung-dak shum , dik lun lee , frederick h. lochovsky , beat wüthrich , alex chia-yee kean , pamela drew sigmod record 1995. authors: nan. venue: nan. year: nan
title: bridging heterogeneity : research and practice of database middleware technology 1998. authors: fernando de ferreira rezende , g &#252; nter sauter. venue: very large data bases. year: nan