These indicators are generated by the Scopus database and show the visibility

These indicators are generated by the scopus database

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These indicators are generated by the Scopus database and show the visibility of the journals included in the 1996 database. The portal is developed by SCImago, a research group in Spain (Scimagojr.com 2018). Publish and Perish (Harzing 2007 ) is free software that enables you to perform bibliometric analyses in Google Scholar and Microsoft Academic, . microsoft.com/ . Fig. 7.1 Literature review fi nding the resources: evaluating sources (Libguides.library.cityu. edu.hk. 2019a , b ) 80 7 Information Evaluation
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Download from the page: . The results obtained from the three databases can be very close, although only the publications included in that database are taken into account. 7.4 Clarivate Analitycs WoS 7.4.1 Impact Factor Impact factor, or Journal Impact Factor, is a measure of the frequency with which the average article published in a given scholarly journal has been cited in a particular year or period and is often used to measure or describe the importance of a particular journal to its fi eld. Impact factor was originally developed by Eugene Gar fi eld, the founder of Institute of Scienti fi c Information, which is now a part of Clarivate Analytics. Journal Impact Factor can be found in the Journal Citation Reports or the JCR, as it is commonly known (Libguides.exeter.ac.uk. 2019 ). Journal Impact Factors are the measure of the frequency with which the average article in a journal has been cited in a particular year. For example, the Journal Impact Factor for a journal in 2015 is calculated by taking the number of citations made in 2015 to the articles published in the journal in 2013 and 2014 and then divided by the total number of articles published in that journal in 2013 and 2014. Impact Factors are: Used to measure the importance or rank of a journal by calculating the times its articles are cited; and A quantitative tool for evaluating the relative importance of a journal. 7.4.2 LibGuides: Journal Impact Factors: Home Libguides.exeter.ac.uk. ( 2019 ). LibGuides: Journal Impact Factors: Home . [on- line] Available at: [Accessed 5 Feb. 2019]. 7.4.3 H-index, HIRSH Index The H-index is the largest number of articles per author, with at least one of them (Hirsh 2005 ). Methods of calculation: Automatic: the bibliometric platforms Web of Science and Scopus, and Publish or Perish software for Google Scholar. 7.3 Bibliometric Databases 81
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7.5 Conclusion The consequences of applying this bibliometric indicator may, depending on the context, be bene fi cial or, on the contrary, destructive. Eugene Gar fi eld concluded in ( 2005 ) on how its application: Like nuclear power, the impact factor is a mixed blessing. I expected it to be used in a con- structive way, but I admit at the same time that in the wrong hands it can be abusive. 7.6 Web Resources Evaluation Along with accessing, searching, and fi nding information, evaluating that infor- mation is vital. You can use the CRAAP Test to ask questions about websites, books or articles.
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