期刊影响因子（jif），影响因子衡量的是某一期刊的文章在特定年份或时期被引用的频率。 1955年， 科学引文索引 （SCI）的创始人 尤金·加菲尔德 博士在 Science 上发文提出了引文索引这一 …

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2022年6月6日 · This metric calculates the average Journal Impact Factor Percentile (JIF Percentile) scores from each field in which a journal is indexed. As an example, if a journal has …

2023年度《期刊引证报告》（Journal Citation Reports，简称JCR）将对Web of Science核心合集收录的所有期刊赋予期刊影响因子（JIF）。 这意味着JIF的覆盖范围将从SCIE和SSCI期刊扩 …

Journal Impact Factor (JIF) is the mean citation rate for articles published in research journals. JIF is calculated by dividing the number of citations to all document types (as JIF numerator) by …

The JIFACTOR (JIF) provides a reflecting tools for ranking, categorizing, evaluating, and comparing various International/National Journals having ISSN published by Learning …

2020年12月9日 · To correct for a non-linear relationship between JIF and empirical false discovery rate, we used a natural log transformation of JIF. Additionally, two-way and three …

2003年11月27日 · Illustrating a typical non power law by a downwards curved log (rank) log (frequency) distribution of science journal ranking by average journal impact factors, JIF (left …

GISI is a citation indexing and analysis service. It examines thousands of academic journals, books, and proceedings and builds a database of scholarly works.

The New Jersey Counties Excess Joint Insurance Fund (NJCE JIF) is a shared service governmental entity that provides excess insurance and services to its members. The New …