On the temporal diversity of knowledge in science

IF 4.3 3区 材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Alex J. Yang
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引用次数: 0

Abstract

Understanding the diversity of scientific knowledge is pivotal for elucidating trends in science and innovation. While interdisciplinarity and team diversity have been extensively studied, the temporal diversity of knowledge remains underexplored. This paper introduces a novel framework for assessing temporal diversity in scholarly research. Analyzing 31 million articles from the past seven decades, I revealed an increasing trend in temporal diversity, reflecting the cumulative nature of scientific knowledge. Additionally, I found that temporal diversity is negatively associated with citation impact but positively associated with disruption. These patterns are robust and consistent across different contexts. Moreover, the findings suggest that higher temporal diversity leading to greater disruption may be primarily due to the use of older references. However, the disadvantages of temporal diversity in terms of citation impact cannot be entirely explained by other factors. Collectively, this study elucidates the dynamics of temporal diversity and its implications for innovation, providing new frameworks in the science of science and evidence on how innovation is driven by the temporal diversity of knowledge.
论科学知识的时间多样性
了解科学知识的多样性对于阐明科学和创新的趋势至关重要。虽然跨学科性和团队多样性已得到广泛研究,但知识的时间多样性仍未得到充分探索。本文介绍了一种评估学术研究时间多样性的新框架。通过分析过去七十年中的 3100 万篇文章,我发现时间多样性呈上升趋势,这反映了科学知识的累积性。此外,我还发现,时间多样性与引用影响呈负相关,但与干扰呈正相关。这些模式在不同背景下都是稳健而一致的。此外,研究结果表明,时间多样性越高,干扰越大,这可能主要是由于使用了较早的参考文献。然而,时间多样性在引文影响力方面的劣势并不能完全由其他因素解释。总之,本研究阐明了时间多样性的动态及其对创新的影响,为科学的科学提供了新的框架,并为知识的时间多样性如何推动创新提供了证据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
7.20
自引率
4.30%
发文量
567
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