云计算环境中多维数据集的查询与分布策略研究
Research on Query and Data Distribution Strategy of Data Cube in Cloud Computing Environment
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摘要: 针对多维数据集的特点,首先定义了查询等价集等概念,并结合云计算环境提出了多维数据集的查询算法.根据算法过程中各类因素的影响,提出了一种云计算环境中多维数据集的数据分布策略.理论分析与实验结果均表明,将本文提出查询与分布策略应用于云计算环境中的多维数据集,能有效的优化数据分布,提高数据查询的效率.Abstract: This paper define the query equivalent set by analyzing the character of the data cube firstly and provide a query algorithm of data cube in cloud computing environment.A data distribution strategy of data cube in cloud computing environment is illustrated in the query procedure of inspecting the effect of various factors.Theoretical analysis and experimental results show that the proposed distribution strategy and the query applied to data cube in cloud computing environments can effectively optimize data distribution and improve the query efficiency.
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