情报研究

颠覆性指数的稳定时间窗研究

  • 刘小慧 ,
  • 沈哲思 ,
  • 廖宇 ,
  • 朱曼曼 ,
  • 杨立英
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  • 1. 中国科学院文献情报中心 北京 100190;
    2. 中国科学院大学经济管理学院图书情报与档案管理系 北京 100190
刘小慧(ORCID:0000-0002-7233-7820),博士研究生;廖宇(ORCID:0000-0002-5117-4356),博士研究生;朱曼曼(ORCID:0000-0002-8961-5268),博士研究生;杨立英(ORCID:0000-0001-5539-9934),研究员,博士,博士生导师。

收稿日期: 2021-05-26

  修回日期: 2021-07-20

  网络出版日期: 2021-09-26

基金资助

本文系国家自然科学基金项目"基于知识网络的创新性度量研究"(项目编号:71974017)研究成果之一。

Research on the Stable Time Window of Disruption Index

  • Liu Xiaohui ,
  • Shen Zhesi ,
  • LiaoYu ,
  • Zhu Manman ,
  • Yang Liying
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  • 1. National Science Library, Chinese Academy of Sciences, Beijing 100190;
    2. Department of Library, Information and Archives Management, School of Economics and Management, University of Chinese Academy of Sciences, Beijing 100190

Received date: 2021-05-26

  Revised date: 2021-07-20

  Online published: 2021-09-26

摘要

[目的/意义]探索颠覆性指数的稳定时间窗,分析其学科差异,揭示颠覆性指数稳定度与被引半衰期、被引频次稳定度之间的关系,为各学科合理应用该指数提供时间窗参考。[方法/过程]分别计算22个学科在不同引文时间窗下的颠覆性指数稳定度,得到各学科颠覆性指数达到0.8稳定度所需的时间窗;进而分别分析颠覆性指数与被引半衰期、被引频次稳定时间窗之间的关系。[结果/结论]颠覆性指数达到0.8稳定度所需的时间窗存在较大学科差异;达到被引半衰期时,各学科的颠覆性指数稳定度均达到了0.8,可使用被引半衰期作为颠覆性指数计算的参考时间窗;学科特质和指标算法都是影响颠覆性指数稳定度的重要因素,受算法的影响,颠覆性指数一般会晚于被引频次达到较高稳定度。

本文引用格式

刘小慧 , 沈哲思 , 廖宇 , 朱曼曼 , 杨立英 . 颠覆性指数的稳定时间窗研究[J]. 图书情报工作, 2021 , 65(18) : 49 -57 . DOI: 10.13266/j.issn.0252-3116.2021.18.006

Abstract

[Purpose/significance] Exploring the stable time window of disruption index and revealing the relationship between the reliability of disruption index, cited half-life and the reliability of citation are to provide valid time window suggestions for its application in different disciplines.[Result/conclusion] The reliability of the disruption index under the citation time window in different disciplines was calculated respectively, this paper obtained the needed time window for the reliability of disruption index reach to 0.8, and the relationship between disruption index, cited half-life and the reliability of citation were analyzed respectively.[Result/conclusion] There are big differences in disciplines among the needed time window for the reliability of disruption index reach to 0.8; at the time of reaching cited half-life, the reliability of disruption index in all disciplines has reached to 0.8, the cited half-life can be used as a reference for the time window of disruption index calculation; discipline characteristics and indicator algorithms are both important factors affecting the reliability of disruption index, but under the impact of the algorithm, the disruption index may achieve higher reliability after citation.

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