概念获取 meaning in English

concept acquisition

Then in - depth analysed some key technologies including the webpage content extracting , the website topological structure analysis , the website subject analysis & indexing and the website retrieval . especially , some novety solutions , such as the content extraction methology based on the space length of tags , the website tree construction methology based on the similarty of directory in url , and the website concept methology basd on the structure of website , are proposed . finally on the basis of the algorithms and theory , the intellectual websites retrieval system is built and the experiments proved that it can achieve better results
根据以上研究目的,本文首先分析了智能网站检索技术的构造与实现,提出了基于主题标引的智能网站检索系统的系统结构与实现策略,之后对系统中的主题分析、标引与检索等关键技术进行了深入分析,针对主要技术难点重点讨论了网页正文抽取,网站拓扑结构分析,网站主题获取等相关实现技术,提出了基于标签间距的正文抽取算法,基于url目录相似度的网站结构分析算法和基于网站结构的网站主题概念获取算法等解决方案。