“data extraction and integration”的概念、定义、翻译、参考文献-科学参考

单词	data extraction and integration
释义	data extraction and integration Encyclopedia 理学Web挖掘释 data extraction and integration数据抽取与集成数据抽取是指从源数据源系统抽取目的数据源系统需要的数据。数据集成是把不同来源、格式和特点的多个孤立数据源在逻辑上或物理上进行集中和融合，从而解决数据的分布性和异构性的问题，为企业提供全面的数据共享。在企业数据集成领域，通常采用联邦式、基于中间件模型和数据仓库等方法来构造集成的系统。
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