语义关联发现基于现有的语义关联，使用算法推导出更深层次的语义关系。

Semantic association Discovery is to infer out further associations based on existing semantic associations by inventing algorithm.

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第三章在算法层次上提出了基于自组织竞争神经网络数据挖掘算法的知识发现系统用于生成拟定的结构方案。

Chapter 3 Applies the KDD system whose data-mining algorithm is based on Self-Organizing Neural Network for generating initial alternative designs.

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