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首先介绍了KDD的基本概念,然后阐述了其国内外发展、面临的挑战与趋向,最后介绍了我们提出的KDD的扩展模型—KDD*、KD(D&K)、ESKD的研究。
First of all, it introduces the basic concept of KDD, and then expounds its development and challenges at home and abroad. Finally, it introduces the KDD’s extended model-KDD *, KD (D & K) and ESKD.