国际图书情报学二十年研究热点变化与研究前沿分析

Hot Research Domains and Research Fronts on Library and Information Science in the Recent Twenty Years

运用可视化方法对近二十年(1993-2012年)图书情报学研究的学科知识结构进行分析。通过绘制相应的知识图谱来可视化分析该研究领域近二十年主要的研究热点,以及前十年(1993-2002年)和后十年(2003-2012年)两者在研究重点和主题内容上的变化情况。通过对从论文标题和摘要中抽取的名词短语进行词频变动率探测来分析该学科领域的七大研究前沿领域。

This study appliesvisualization methods to analyse intellectual structure of library andinformation science from 1993 to 2012. By drawing knowledge maps to visualize main research focuses in the area, as well as changes in research priorities between the first ten years （1993 -2002） and the second ten years （2003-2012）. In addition, it also analyses seven research frontiers in the library and information science dataset by detecting frequency rates of norm phrase extracted from the titles and abstracts of papers.