全面调查刊载数字图书馆研究论文的期刊以及发表相关论文的研究机构的分布情况。运用词频分析法对数字图书馆研究主题的变化进行分析,发现2000年以前,我国数字图书馆研究处于自动化、网络化建设阶段;2000年后数字图书馆研究的重点开始转移,信息服务成为数字图书馆研究的重点,资源共享、检索技术、元数据、知识产权等是当前研究的热点话题。 Conduct a comprehensive survey of the distribution of journals that publish research articles in digital libraries and research institutions that publish relevant papers. Using word frequency analysis to analyze the change of the subject of digital library, it is found that the research of digital library in our country was in the process of automation and network construction until 2000. The focus of digital library research began to shift after 2000, and the information service became the digital book The focus of research, resource sharing, search technology, metadata and intellectual property are the hot topics in current research.