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计算机科学 2003
考虑更新频率等因素的物化视图有效更新算法Keywords: 数据仓库数据源物化视图有效更新算法频率更新数据库 Abstract: forthematerializedviewsinthefastlanorcomputinggridenvironment,itisaveryimportantproblemthathowtorefreshthemefficientlywhendatasourceshavechanged.inthispaper,wetaketheupdatefrequenciesandthesizeofsourcerelationsin
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