the present article studies the appearnace of iranian authors in sci database for the 1993-1997 period. it tries to present an actual picture of scientific activities in iran and the world. for this purpose, scientific information of iranian origin in form of articles dealing with basic sciences, were extracted. irans position has been compared with the rest of the world. it was found that 0.1 ...

Background: Web of Science (WoS) is an online academic citation index provided by Thomson Reuters which supplies valuable bibliometric information for comparing impact of specific author, organization, or country in science production. The aim of this study was to compare toxicology publications of Iran and Turkey indexed in WoS from bibliometric point of view. Methods: The WoS database was ...

Two methods for comparing impact factors and citation rates across fields of science are tested against each other using citations to the 3,705 journals in the Science Citation Index 2010 (CD-Rom version of SCI) and the 13 field categories used for the Science and Engineering Indicators of the U.S. National Science Board. We compare (a) normalization by counting citations in proportion to the l...

Two methods for comparing impact factors and citation rates across fields of science are tested against each other using citations to the 3,695 journals in the Science Citation Index 2010 (CDRom version of SCI) and the 11 field categories used for the Science and Engineering Indicators of the US National Science Board. We compare (i) normalization by counting citations in proportion to the leng...

What are the most important international platforms for medical journal literature in the world? They are PubMed, PubMed Central (PMC), MEDLINE, SCOPUS, and Web of Science. Being indexed in all those databases requires meeting vigorous review or selection criteria. PubMed comprises the more than 26 million citations for biomedical literature at the United States National Library of Medicine up ...

We compare the visibility and performance of Latin American and Caribbean (LAC) publications in the Core collection indexes included in the Web of Science (WoS) —Science Citation Index Expanded, Social Sciences Citation Index, and Arts & Humanities Citation Index—and the Scielo Citation Index (SciELO CI) which was integrated into the larger WoS platform in 2014. The purpose of this comparison i...

This paper investigates the publishing trends of search engine literature as catalogued in the social sciences citation index (SSCI) database in the period 1995-2009. Our findings indicate that (1) the quantity of recent research on search engine study is expanding remarkably; (2) the frequency indices of author productivity appear to abide by Lotka’s Law; (3) most research papers on search eng...

propose: the stratification of iranian knowledge and information science academic member in viewpoint of presence and effectiveness and scientific and professional performance are the main aims of this article. methodology: in this applied research, descriptive survey and webometrics methods were implemented. the research population included the iranian knowledge and information science academi...

Eugene Garfield’s article, “Citation indexes for science” [Science 122, 108 (1955)], is interesting beyond doubt. If we had in our library a citation index such as he proposes, I should use it to advantage. Amid today’s overwhelming difficulties in scientific communication, however, this index would solve too few problems to justify its surely great cost at this time. Even though all the cited ...