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The impact factor ( IF) or journal impact factor ( JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science . As a journal-level metric, it is frequently used as a proxy ...
Sub-Saharan African countries spent on average 0.3% of their GDP on S&T (Science and Technology) in 2007. This represents a combined increase from US$1.8bn in 2002 to US$2.8bn in 2007. North African countries spend a comparative 0.4% of GDP on research, an increase from US$2.6bn in 2002 to US$3.3bn in 2007.
Contents. African Journals OnLine. African Journals OnLine ( AJOL) is a South African non-profit organisation, which is in the headquarters of Grahamstown, it is dedicated to improve the online visibility and access to the published scholarly research of African-based academics. By using the internet as a gateway, AJOL aims to enhance ...
The values for Nature journals lie well above the expected ca. 1:1 linear dependence because those journals contain a significant fraction of editorials. CiteScore was designed to compete with the two-year JCR impact factor, which is currently the most widely used journal metric. [7] [8] Their main differences are as follows: [9]
In 2010, a criticism was voiced pointing toward certain deficiencies of the journal impact factor calculation process, based on Thomson Reuters Web of Science, such as: journal citation distributions usually are highly skewed towards established journals; journal impact factor properties are field-specific and can be easily manipulated by ...
ISSN. 0795-4778. Links. Journal homepage. Online access. Online archives. The African Journal of Library, Archives and Information Science is a peer-reviewed academic journal covering library science with an emphasis on the African setting. The journal is abstracted and indexed by Library Literature and Information Science and Library and ...
While these journals still did not receive an impact factor until the next year, they did contribute citations to the calculation of other journals' impact factors. [ 4 ] [ 5 ] In July 2022, Clarivate announced that journals in the ESCI obtain an impact factor effective from JCR Year 2022 first released in June 2023.
Biomedical database with a focus on drug and pharmaceutical research. Records from over 8,500 journals (1947–present). Subscription Elsevier: FSTA – Food Science and Technology Abstracts: Food science, Food technology, Nutrition: 1,500,000 The database of information on food science, food technology and nutrition Subscription