There are some problems like repeat, inconsistent or conflict in the process of multiple data source extracting.
多数据源Web信息的提取过程中会出现信息的重复、不一致或者冲突的情况,信息集成算法用于解决这一问题。
参考来源 - Web对象提取检索系统的设计与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
The Preferred Data Source Pattern works best when the data in multiple sources are relatively consistent, clean, and straightforward, and the returned result sets are small to medium.
当多个源中的数据是比较一致的、清晰的和简单易懂的，并且返回的结果集比较小的时候，首选数据源模式最为合适。
Master data typically is scattered throughout the enterprise in multiple source systems which makes it inconsistent, incomplete and of poor quality.
主数据通常分散在企业中的多个数据源系统中，这会导致主数据不一致、不完整且质量差。
In a well structured BI system, the data warehouse serves as a single source for multiple data marts.
在结构良好的BI系统中，数据仓库充当多个数据集市的一个源。
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