Hyun Chang Lee Sang-Hyun Bae Maintenance Strategy for Efficient Communication at Data Warehouse. 186-195 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3044&spage=186 2004 conf/iccsa/2004-2 ICCSA (2) db/conf/iccsa/iccsa2004-2.html#LeeB04