本文介绍了基于向量空间的常用距离的算法，并在概念语义空间的基础上，提出一种面向主题的距离和分类的算法。

This paper introduces a common distance algorithm based on vectorial space, and proposes novel distance and classification algorithms which orient the topic on the basis of concept-semanteme space.

youdao

利用共现分析构建概念空间，实现语义检索，是当前信息组织和检索领域研究热点之一。

Using co-word analysis to construct concept space and realize semantic retrieval is one of the research hotspots in information organization and retrieval fields at present.

youdao

文中从基于向量空间的反馈技术的分析入手，利用概念图的知识，提出了基于语义的相关反馈技术。

Firstly the paper analyzes the defect of technique of the VSM model. And then put forward one technique based - on semantic for relevance feedback, using the knowledge of conceptual graphs.

youdao