NATIONAL ACADEMY OF EDUCATIONAL SCIENCES OF UKRAINE

V.O. SUKHOMLYNSKYI STATE SCIENTIFIC AND PEDAGOGICAL LIBRARY OF UKRAINE

Бібліотека це дзеркало і джерело духовної культури

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International Scientometric Databases and Systems

The aim of the resource: to provide access to knowledge and spread information in the sphere of scientometric indices.

Scientometric database is a bibliographic and abstract database, an instrument for tracing citation of scientific papers. It is a search system that forms statistics characterising the state and dynamics of indices regarding demand, activity and influence of separate scientists and research organisations.

Main scientometric indices

Citation index is an index of importance of scientist’s papers; it is a number of reference on scientist’s publications presented in abstract scientific periodicals.The Science Citation Index (SCI) is one of the most spread scientometricindex. If there are highly cited scientists it positively influences the prestige of the establishment.

The Hirsch index (h-index) is an index suggested in 2005 by Jorge Hirsch, anAmerican physicist at the University of California, San Diego (USA). The index is based on the number of the scientist’s papers and the number of citations of these papers, and is calculated according to a special formula.

The impact factor (IF) is a formal quantitative index of informational importance of scientific journal. It is a number of citations received in that year by articles published in that journal during the two or three preceding years. The high impact factorindicates the high scientific value and authority of the journal.

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