近三年国外图书馆学与信息科学领域研究热点与前沿分析

目的/意义]本文对近三年来（2015-2017）SCI和SSCI收录的图书情报学的影响因子排名前50%的外文期刊刊载论文及其题录数据进行计量研究，进而揭示国际LIS领域热点研究主题，再利用著名的科学分析管理工具ESI追踪LIS领域的研究发展趋势。方法/过程]使用自主研发的程序工具基于Louvain算法对领域知识网络进行知识群落划分，进而识别领域知识主题与研究热点，再利用科学分析管理工具ESI根据共被引分析和聚类算法选出学科最新研究前沿。结果/结论]通过研究发现，近三年国际图书情报学的研究热点主题分别是文献计量、高校图书馆、网络社交媒体研究、管理、卫生健康、技术、信息检索、电子政府、企业管理和电子商务等特定领域的信息应用，研究前沿主要集中在学术平台替代计量学研究、在线用户评论研究、政治文本内容挖掘研究、智慧城市研究、读者阅读研究、社交媒体相关研究等。

Research Hotspots and Frontier Analysis in the Field of Library and Information Science in the Past Three Years

Purpose/Signficance]This paper examined the papers and their bibliographic data publiashed for the past three years(2015~2017),which were SCI and SSCI included in the top 50% of the impact factors of the library and information science,in order to reveals the hot research topics in the international LIS field,then using the famous scientific analysis management tool ESI to track the research frontiers in the field of LIS.Method/Process]Using the self-developed program tool to divide the knowledge community based on the louvain algorithm,and the domain knowledge subject division and research hotspots analysis are realized,then using the scientific analysis management tool ESI to determine the frontier of research in the LIS field.Result/Conclusion]Through research,the hot topics of international library and information science in the past three years are bibliometrics,e-government and university libraries,online social media research,management,health,technology,information retrieval,enterprise management,and e-commerce; the research frontiers are mainly focus on academic platform and alternative analysis,online user review,political text content mining,smart city,text reading,and social media related research.