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大数据是一个宽泛的概念。有学者认为它是指大小超出常规的数据库工具获取、存储、管理和分析能力的数据集成,也有人认为它是难以用现有的数据库管理工具处理的兼具海量特征和复杂性特征的数据集成。无论如何,现代信息技术的日益进步,计算机、互联网技术的飞速发展,使得快速高效处理庞大的海量数据成为可能。大数据的特点可概括为4V,即大量化(Volume)、多样化(Varity)、快速化(Velocity)和价值化(Value),
Big data is a broad concept. Some scholars think it refers to the size of the database tools beyond conventional data acquisition, storage, management and analysis of data integration, some people think it is difficult to use existing database management tools to deal with the characteristics of both massive and complex data integration . In any case, with the progress of modern information technology, the rapid development of computer and Internet technologies makes it possible to process huge amounts of data quickly and efficiently. The characteristics of big data can be summarized as 4V, namely Volume, Varity, Velocity and Value,