Ding-wei Huang

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The Impact Factor has become a well-known measure of the average citation number of articles published in a scientific journal. A journal with a high Impact Factor is assumed to have a low percentage of uncited articles. We show that the scaling relation between the Impact Factor and the uncited percentage can be understood by a simple mechanism. The(More)
In this work, we propose the graphical representation for the empirical data of the impact factor rank-ordered distribution. The characteristics of the distribution can be directly visualized. Within the subject category of journal citation reports, the impact factor rank-ordered distribution systematically presents a clear evidence of the two-exponent(More)
This work studies the trends of co-author numbers in Mathematics, Chemistry and Physics, from 1960 to 2010. Journal data are analyzed to show the common trends across the disciplines. The single-author papers decline continuously over the years. The multi-author papers rise and fall following one another in succession. The data suggest that small-group(More)
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