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How scientific papers mention grey literature: a scientometric study based on Scopus data

机译：如何科学论文提到灰色文献:科学计量研究基于斯高帕斯数据

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Purpose - The purpose of this paper is to provide empirical insight into the use of the term and concept of grey literature in recent scientific papers. Design/methodology/approach - The author conducted a scientometric analysis with Scopus data on 1,606 papers mentioning grey (or gray) literature published in 2018. Additionally, the author analysed the evolution between 1999 and 2018, and performed a content analysis on a random subsample of 70 papers in open access.Findings - The percentage of papers that mention grey literature is low (0.05%) but steadily rising. They are from over 100 countries and a long tail of institutions, covering, namely, medical and health sciences and related topics. The dominant document type is systematic reviews, defining grey literature generally thought of as "unpublished", "not peer reviewed" and "not in databases" and meaning, most of the time, all kinds of reports and conference papers. A large variety of sources and options on how to retrieve grey literature is mentioned, including Google and Google Scholar,specialised digital libraries, relevant websites, handsearching in bibliographic references and contact with experts in the field. Research limitations/implications - The study is limited to papers indexed in the Scopus database, mainly journals, written in English, with a bias in favour of medical and life sciences.Originality/value - There is no recent study on the real usage of the term of grey literature in a large sample of academic papers.
机译：目的——本文的目的是提供经验了解这个词的使用和灰色文献的科学概念论文。斯高帕斯进行了科学计量分析1606篇论文提到灰色数据(或灰色)文献出版于2018年。作者分析了1999年和之间的进化2018年,进行了内容分析随机抽样的70篇论文开放访问。提到灰色文献较低(0.05%)稳步上升。长尾的机构,覆盖,也就是说,医学和健康科学和相关的话题。评论,通常定义灰色文献认为是“未发布”,“不同行评议”“不是在数据库”和意义,大部分的时间,各种各样的报告和会议论文。各种各样的来源和如何选择检索灰色文献提到,包括谷歌和谷歌学者,专业数字库、相关网站handsearching文献引用和与专家联系在这个领域。这项研究仅限于文件的索引斯高帕斯数据库,主要是杂志,写的英语、医疗和的倾向生命科学。最近的研究对实体使用的术语灰色文献在一个大样本的学术论文。

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