2020年11月1日 · The ‘boosting’ effect of international collaboration is greatest where total research capacity is smallest, which could mislead interpretation of performance for policy and management purposes. By incorporating collaboration type into the CNCI calculation, we define a new metric labelled Collab-CNCI.

2024年12月24日 · 一篇论文学科规范化的引文影响力 (CNCI) 是通过将其被引频次除以同出版年、同学科领域、同文献类型论文的平均被引频次得到的。 每个出版年、学科、文献类型的篇均被引频次的基线值以平均值的方法计算，其中e为基线值，f为学科领域，t为出版年、d为文献类型，c为被引频次， p为论文数量。 一篇论文的CNCI计算公式如下，等于该篇论文引用频次除以相应的基线值： 一组论文集的CNCI的计算公式如下，例如某个人、机构或国家的CNCI，等于该组论 …

2024年5月10日 · Using a global set of ~ 300 institutions, standard, collaboration and fractional Category Normalised Citation Impact (CNCI) indicators are compared between 2009 and 2018 to demonstrate the complementarity of the three variants for research evaluation.

2024年5月16日 · The Category Normalized Citation Impact (CNCI) of a document is calculated by dividing the actual count of citing items by the expected citation rate for documents with the same document type, year of publication and subject area.

2022年8月1日 · The Journal Citation Indicator (JCI) is a new field-normalized metric at journal-level, which is calculated by averaging the Category Normalized Citation Impact (CNCI) of the journal's articles and reviews published in the preceding three-year period.

2023年1月21日 · For a given paper, the CNCI is the number of citations to that paper divided by the baseline, or average, citation rate for papers of the same JCR article type (article, review, etc.), year of publication (year of first publication online, or if …

Citation metrics are used to assess the quality and impact of individual articles or overall research output. They also enable comparisons between researchers, research groups, and institutions. In turn, these measures and comparisons aid in: hiring processes. They also facilitate: the exploration of collaboration opportunities.

2022年9月14日 · 科睿唯安科学信息研究所所长Martin Szomszor解释道，JCI使用另一种科睿唯安度量工具——Category Normalized Citation Impact（CNCI）来计算Web of Science核心合集中所有期刊的影响值，包括那些没有JIF的期刊。

2025年3月17日 · Field-Weighted Citation Impact (FWCI, found in SciVal) and Category Normalized Citation Impact (CNCI, found in Incites) are useful metrics for demonstrating a publication’s impact. They account for differences in citation practices across …

[摘要]利用学科规范化引文影响力(cnci)和相对引用率(rcr)指标对2009-2018年间医学生物学期刊plos one 所发论文的学术影响力进行评价,发现rcr 指标在评价非医学生物学领域论文和近期新发表论文上存在一定局限;cnci 和rcr 指标的基准值不同,虽然二者高度相关,但不可 ...