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作为基于引文分析的期刊评价工具,Google Scholar Metrics打破了Web of Science和Scopus在科学评价领域的垄断地位。本文以图书情报学科为例,通过对三个数据库资源覆盖程度的比较和期刊排名的相关性分析,了解Google Scholar Metrics和传统引文数据库的差异和联系。研究表明,Google Scholar Metrics不仅覆盖了广泛的资源,而且在期刊排名方面,同Web of Science和Scopus具有很高的相关性,能够提供可靠有效的评价结果。
As a citation evaluation tool based on citation analysis, Google Scholar Metrics breaks the monopoly of Web of Science and Scopus in scientific evaluation. In this paper, we take Librarianship as an example to find out the differences and relations between Google Scholar Metrics and traditional citation databases by comparing the coverage of the three databases and the correlation of journal rankings. Research shows that Google Scholar Metrics not only covers a wide range of resources, but also has a high correlation with Web of Science and Scopus in terms of journal rankings, providing reliable and validated results.