title: efficient maintenance of materialized mediated views james j. lu , guido moerkotte , joachim schü , v. s. subrahmanian sigmod conference. authors: nan. venue: nan. year: 1995.0
title: efficient view maintenance at data warehouses d. agrawal , a. el abbadi , a. singh , t. yurek 1997. authors: nan. venue: international conference on management of data. year: nan