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The m-index is defined as h/n, where h is the h-index and n is the number of years since the first published paper of the scientist; [1] also called m-quotient. [24] [25] g-index: For g-index is introduced in 2006 as largest number of top articles, which have received together at least citations. [26] e-index
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 ...
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]
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]
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]
The citations in a collection of documents can also be represented in forms such as a citation graph, as pointed out by Derek J. de Solla Price in his 1965 article "Networks of Scientific Papers". [4] This means that citation analysis draws on aspects of social network analysis and network science.
Bibliometrics is the application of statistical methods to the study of bibliographic data, especially in scientific and library and information science contexts, and is closely associated with scientometrics (the analysis of scientific metrics and indicators) to the point that both fields largely overlap.