title: report on the 5th international workshop on the design and management of data warehouses ( dmdw ' 03 ). authors: manfred a. jeusfeld , hans-joachim lenz , panos vassiliadis , martin staudt. venue: sigmod record. year: 2003
title: report on ngits ' 99 : the fourth international workshop on next generation information technologies and systems. authors: opher etzion. venue: acm sigmod record. year: 1999