objective: citation analysis is a bibliometric method used for the calculation of the mean number of citations and detection of highly cited references, frequency distribution of citations in different languages, update rate, efficacy of resources and number of core journals of a scientific domain. this process elucidates the information needs of researchers in a specific realm of science and e...

highly cited papers are mostly authored in international collaboration. it is expected that   co-authored papers bring more citations. on the other hand, it is inevitable that a part of citations is self-citation. this study investigates 134 and 236 highly cited papers in iran and turkey, respectively, to determine the extent to which highly cited papers are affected by author self-citation. a ...

BACKGROUND Previous studies have demonstrated that the frequency with which a publication is cited varies greatly. Our objective was to determine whether author, country, journal, or topic were associated with the number of times an epidemiological publication is cited. METHODS We used outcome-based sampling and investigated one public health issue - child injury prevention, and one clinical ...

The percentile-based rating scale P100 describes the citation impact in terms of the distribution of unique citation values. This approach has recently been refined by considering also the frequency of papers with the same citation counts. Here I compare the resulting P100’ with P100 for an empirical dataset and a simple fictitious model dataset. It is shown that P100’ is not much different fro...

Citation analysis is the quantitative study of science and technology based on publicationreference relationships. Currently, all references are assumed to make equal contribution to the citing publication, but as we all know this is not the case. To qualify this difference, the term “reference importance” is used to represent the amount of contribution that the reference makes to the citing pu...

background the impact factor (if), as the most important criterion for journal’s quality measurement, is affected by the self-citation and number of publications in each journal. objectives to find out the relationship between the number of publications and self-citations in a journal, and their correlations with if. materials and methods self-citations and impact factors of nine top gastroente...

Impact factor in 2000 the usual way of expressing citation frequency, but has the advantage that it permits easier comparison of the impact Fig. 1 shows that Cardiovascular Research will score an of consecutive year volumes of the journal. Fig. 2 shows all time high impact factor of 3.59 in the year 2000. This an optimum for the citation frequency of the 1995 contents impact factor reflects the...