This paper, in the light of related research, constructs a new concept network based on semantic analysis, and describes a text analyzing algorithm based on the concept network.

文章在相关研究基础上，提出了一种基于语义分析的概念网络构建方式，并介绍了基于此概念网络的文本过滤分析算法。

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But detailed semantic indexing, which involves analyzing the meaning of every sentence in a page's text, is still a laborious process.

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