传统的采用主题词和关键词对文档进行标引的方法，由于不能提供语义推理而越来越不适合目前的网络环境。

The traditional way of document indexing based on subject words and can't work well in the network environment because of the lack of the ability of semantic deducing.

youdao

传统的采用主题词和关键词对文档进行标引的方法，由于不能提供语义推理而越来越不适合目前的网络环境。

The traditional way of document indexing based on subject words and can't work well in the network environment because of the lack of the ability of semantic deducing.

youdao