中文摘要：

本文针对信息科学领域相关性研究对客观知识体系中相关性（即语义相关）的忽略问题,对语义相关进行了较全面的综述性研究,从语义相关的概念理解、语义相关与检索相关的比较、语义相关与知识组织的关系、语义相关度量方法以及语义相关的应用5个方面展开了论述,旨在清晰语义相关内涵,强调语义相关在信息科学领域相关性研究中的基础性地位,突出语义相关对知识组织深化的决定性作用,从而引起学者对客观知识体系中相关性研究的高度关注。

英文摘要：

This paper makes a more comprehensive overview of research on relatedness of Objective Knowledge system, facing the problem on the relatedness of Objective Knowledge system is ignored on the relatedness research in the field of information science. There are five aspects in paper, the concept of semantic relatedness, the comparison between semantic relatedness and retrieval semantic, the relation between semantic relatedness and knowledge organization, the measure and the application of semantic relatedness. Through understanding the connotation of semantic relatedness, realizing the basic function of semantic relatedness on the relatedness research in the field of information science and focusing on the decisive role of semantic relatedness on knowledge organization, the purpose of the paper is to make scholars pay attention the semantic relatedness.