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【目的】为丰富期刊学术影响力评价指标体系,提出了一种新的期刊学术影响力评价指标——f(x)指数。【方法】以《中国科技期刊引证报告》2012年期刊目录中的34种图书情报学期刊为例,通过CNKI获取各期刊2012年的载文量、篇被引频次,利用excel、c++计算相应评价指标的得分,并根据f(x)指数的得分对期刊进行排名。【结果】与当年遴选出的CSSCI核心期刊相比,评价结果准确率达94.12%;对各指标进行相关分析,发现f(x)指数与包括影响因子在内的多种期刊评价指标存在较强的正相关。【结论】f(x)指数利用对数函数的性质,考虑了期刊的载文量、总被引、篇均被引等因素,考虑了低被引和高被引论文的差异性,可作为期刊学术影响力评价的指标。
【Objective】 In order to enrich the evaluation index system of academic influence of periodicals, a new evaluation index of academic influence of periodicals, f (x), is proposed. 【Method】 Taking the 34 journals of library and information science and technology in the journal catalog cited in “China Sci-tech Periodicals Citation Report” as an example, CNKI obtained the number of citations of each periodical in 2012, articles quoted in frequency, and calculated the corresponding evaluations by excel and c ++ Indicators are scored and their journals are ranked according to the score of the f (x) index. 【Result】 Compared with the CSSCI core journals selected in the current year, the accuracy of the evaluation results reached 94.12%. Correlation analysis showed that f (x) index and multiple journals including influencing factors had strong evaluation index The positive correlation. 【Conclusion】 The f (x) index takes into account the nature of the logarithmic function, taking into account the number of papers, the total number of citations and the average number of citations cited, taking into account the differences between low-cited and highly-cited papers, Index of academic influence evaluation.