[閑話]怎麼樣衡量一個學術期刊的質量？

How to assess the quality of a Journal/Conference?

a. Recommended databases for assessing journal/conferences quality: JCR , SJR, GoogleScholarMetrics

b. Usages and Features

• JCR: Most widely used database (since 1964), providing IF and category ranking data. It only covers 10,000 journals in the database, known as science citation index (SCI). It assesses the average qualities of Journals, giving equal weights to all citations, making no distinction between citations published in some obscure journals and citations published in top journals such as Nature.
• SJR: Emerging database (since 2007), providing IF, category ranking and Hindex. It is a measure of scientific influence of scholarly journal that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from. It covers around 20,000 journals in its database.
• Google Scholar Metrics: It provide only H5-index. Google Scholar Metrics provide an easy way for authors to quickly gauge the visibility and influence of recent articles in scholarly publications. Scholar Metrics summarize recent citations to many publications, to help authors as they consider where to publish their new research.
• Comparison: JCR assesses average journal performance by IF and category ranking in an unweighted manner. SJR assesses average journal performance by IF/category ranking/ Hindex in an weighted manner. Metrics assesses journal/confe performance by H5-index. Different from JCR/SJR which consider all the articles published in a journal, Metrics only consider the articles with high citations.

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