[Purpose/significance] The citation count of an article has always been an important factor to quantitatively evaluate its academic influence. However, articles published in different disciplines and years will show great differences due to factors such as the number of research articles in this field and the lag of citation. Therefore, when comparing two papers, it is difficult to judge the influence of papers simply according to the absolute citation counts. Therefore, we design a new calculable mathematical model, so that each paper can have a standardized citation index, so as to directly compare the academic influence of papers published in different disciplines and years. [Method/process] In this paper, by analyzing the citation distribution law of papers in various disciplines of science and technology in Chinese academic journals in 2006 and 2017, and adopting the precondition that the citation distribution of papers of the same subject is closest to the lognormal distribution, an index for standardizing the citation——Paper Citation Standardized Index (PCSI) is proposed. Finally, taking the selection results of The Outstanding Papers from Sci-tech Journals of China Association for Science and Technology as an example, an empirical comparative study is made between them and all the papers in the same subject. [Result/conclusion] The results show that PCSI standardizes the citation counts of papers in different years and different disciplines, which reflects the linear difference of citation, thus PCSI is an ideal tool for comparative evaluation of academic influence of single paper.
Wu Junhong
,
Xiao Hong
,
Ren Meiya
,
Feng Shiyong
,
Ding Zhe
. Paper Citation Standardized Index(PCSI): a New Index to Quantitatively Evaluate Scientific Articles Based on Citation[J]. Library and Information Service, 2020
, 64(23)
: 22
-30
.
DOI: 10.13266/j.issn.0252-3116.2020.23.003
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