【摘要】 数据仓库中的视图选择关系到数据仓库的效率和维护代价,是数据仓库中研究的重要问题.本文就已有的视图选择算法加以分析、比较,以此描述视图选择算法的研究现状和发展方向.更多还原

【Abstract】 View selection is an important problem researched in data warehouse,which influences the efficiency and maintenance cost of data warehouse.This paper analyses and compares the existing algorithms of view selection,and then depicts the current state and the future research direction of view selection.更多还原