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data extraction and integration
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data extraction and integration
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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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problem of the 15 schoolgirls
problem of the 36 officers
problem of the advance of Mercury’s perihelion
problem of the kings
problem of the needle
problem of the queens
problem of the seven bridges of Konigsberg
problem of three bodies
problem of touring the world
problem of trisection of an angle
problem of two bodies
problem on knight’s moves
problem on lattice points
problem-oriented history
problem-oriented language
problem oriented policing
problem regions
problem representation
Problems of Dostoevsy’s Poetics
problem solving
problem space
problem space model
problem teaching
problem tracking
problem with constraints
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