[目的/意义] 揭示2009年以来国际图书情报领域研究前沿的主题结构及其演化规律，探测未来研究的前沿趋势，为相关研究者追踪前沿信息提供参考。[方法/过程] 以Web of Science为数据源，以2009-2016年5月发表在图书情报领域12种核心期刊的文献为研究对象，基于文献共被引分析方法，利用CiteSpaceⅢ软件工具，绘制2009-2016年5月国际图书情报领域研究前沿主题的知识图谱。[结果/结论] 2009年以来，国际图书情报领域形成了h指数、特征因子、文献计量知识图谱、科研绩效等十二大研究主题。其中，通过转折节点文献，派生出新的研究前沿，形成了h指数、语言模型、概念模型、科研绩效、替代计量学、信息情感等前沿主题，未来研究呈现多元化的发展趋势。
[Purpose/significance] This paper aims to reveal the structure and evolution trend of research front topics in the international library and information field since 2009, and detect the front trends in the future, to provide the reference for researchers tracking the frontier.[Method/process] Taking the articles published in the 12 core journals in library and information field included in the Web of Science database, this paper draws the knowledge mapping of research front topics from 2009 to 2016 with CiteSpaceⅢsoftware based on the document co-citation analysis method.[Result/conclusion] Research on international library and information science forms 12 research front topics since 2009, such as h-index, characteristic factor, bibliometric mapping, research performance and others. It derives new research front through turning node literature, as h-index, language model, conceptual model, research performance, altermetrics and information emotion. It presents a diversified research trends in the future.
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