对比三大文献数据库，帮研究者选对工具
The 'Big Three' of Scientific Information: A comparative bibliometric review of Web of Science, Scopus, and OpenAlex
- 系统梳理三库在收录量、元数据质量等维度的差异
- 分析2015-2024年数据发现各库覆盖范围与语言侧重不同
- 适合科研评估、文献检索的决策者参考
本研究对比了三大综合性文献数据库——Web of Science Core Collection、Scopus和OpenAlex，旨在为科研评估中的数据库选择提供最新依据。报告分为两部分：第一部分系统综述了近年相关研究，涵盖记录数量、开放获取覆盖率、语言多样性、参考文献覆盖及元数据质量；第二部分基于2015–2024年的原始数据，开展原创性计量分析，考察文献的长期分布、文献类型、主题特征、语言差异及库间重叠情况。文章最后提出十点摘要与五项建议。
原文摘要 · Abstract (English)
The present comparative study examines the three main multidisciplinary bibliographic databases, Web of Science Core Collection, Scopus, and OpenAlex, with the aim of providing up-to-date evidence on coverage, metadata quality, and functional features to help inform strategic decisions in research assessment. The report is structured into two complementary methodological sections. First, it presents a systematic review of recent scholarly literature that investigates record volume, open-access coverage, linguistic diversity, reference coverage, and metadata quality; this is followed by an original bibliometric analysis of the 2015-2024 period that explores longitudinal distribution, document types, thematic profiles, linguistic differences, and overlap between databases. The text concludes with a ten-point executive summary and five recommendations.
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