This paper intends to illustrate the data extracting system design, with focus on two key technologies in data extracting, namely, incremental data extracting and duplicate record detecting.
本文设计并实现了数据获取系统，主要研究数据获取中的两个关键技术：数据源增量数据获取技术和相似重复记录检测技术。
This paper intends to illustrate the data extracting system design, with focus on two key technologies in data extracting, namely, incremental data extracting and duplicate record detecting.
本文设计并实现了数据获取系统，主要研究数据获取中的两个关键技术：数据源增量数据获取技术和相似重复记录检测技术。
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