基于时序关键词热点识别方法的图情学科研究趋势分析(2000—2009)

The Analysis of Research Trend in Library and Information Science Based on Hotspot Recognition of Timing Keywords(2000—2009)

根据所收集的2000—2009年共20多万篇图情专业期刊文献数据,提出对一般流行研究热点和潜在重要研究热点的定义方法,结合时序关键词热点识别方法,从积极趋势和消极趋势两个方面介绍6种常见的学科研究趋势分析方法,并分别给出识别算法和查询参数阈值。

This paper puts forward the definitions of common popular research hotspot and latent significant research hotspot based on the collected journal articles in library and information science which are above 0.2 millions from the year 2000 to 2009. And combined with hotspot recognition method of timing keywords, 6 analysis methods of research trends are discussed including positive trends and negative trends in detail. Then this paper gives the recognition algorithm and the query parameter thresholds.