中文摘要：

标签是类似于关键词的标注语言，与主题词相比，标签属非受控词，允许用户任意进行标注，对信息资源组织有一定的作用。社会标注，即由网络用户为其所创建和关注的资源添加的标签，成为当前网络信息资源组织系统对资源进行组织和管理的重要方式之一。通过比较社会化标注系统的三大功能及其效果评价，提出了改进未来社会标注系统中信息检索功能的建议。

英文摘要：

Tag, similar to a keyword and belonging to a non-controlled term, is a marking language, and can be freely marked by its users, thus playing a role in organization of information resources.Social tagging, a tag created by network users and added to the resources they concerned, has become one of the important methods for the network information resources organizing system to organize and mange resources.Suggestions were thus put forward in this paper for improving the information retrieval function of future social tagging system by comparing its 3 functions and assessing its efficiency.