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L-index: L-index combines the number of citations, the number of coauthors, the age of publications into a single value, which is independent of the number of publications and conveniently ranges from 0.0 to 9.9. [32] With c as number of citations, a as number of authors and y as number of years, L-index is defined by the formula:
The best-known author-level measures include total citations and the h-index. [16] Each measure has advantages and disadvantages, [17] spanning from bias to discipline-dependence and limitations of the citation data source. [18] Counting the number of citations per paper is also employed to identify the authors of citation classics. [19]
The papers introducing the ranking have been quoted extensively by authors working in Bibliometrics and Scientometrics.For example, reference [3] describing an update to the methodology of this index number receives about 200 citations in Google Scholar [12] from authors publishing in journals such as SAGE's Research on Social Work Practice, [10] Elsevier's Perspectives in Ecology and ...
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
The h-index is an author-level metric that measures both the productivity and citation impact of the publications, initially used for an individual scientist or scholar. The h-index correlates with success indicators such as winning the Nobel Prize, being accepted for research fellowships and holding positions at top universities. [1]
Indian Citation Index: Multidisciplinary: Indian Citation Index (ICI) is a home grown abstracts and citation database, with multidisciplinary objective knowledge contents from about 1000 top Indian scholarly journals. It provides powerful search engine to fulfill search and evaluation purposes for researchers, policy makers, decision makers etc.
In 1961 Garfield received a grant from the U.S. National Institutes of Health to compile a citation index for Genetics. To do so, Garfield's team gathered 1.4 million citations from 613 journals. [8] From this work, Garfield and the ISI produced the first version of the Science Citation Index, published as a book in 1963. [10]
Citation data is also the basis of the popular journal impact factor. There is a large body of literature on citation analysis, sometimes called scientometrics, a term invented by Vasily Nalimov, or more specifically bibliometrics. The field blossomed with the advent of the Science Citation Index, which