以影响因子等引文数据为核心的期刊评价指标体系虽广为使用，但也备受争议。
Although the journal evaluation index system featuring the adoption of citation data such as journal impact factor as its core is widely used, this system has long been the center of controversy.
从现有的一些情报研究工作成果入手，总结归纳情报研究人员使用的现有数据遴选方法，主要包括基于关键词或主题词的方法、机构法、期刊影响因子法和专家法等。
Facing to the data selecting in the information research, this paper sums up the current methods of data selecting used by information analysts from some information research productions.
使用期刊引证报告（JCR）6015种期刊数据，以统计学方法探索性地分析5年期影响因子IF5的特点。
Based on the data of 6015 journals collected in the Journal Citation Reports (JCR), the author investigates the characteristics of 5-Year Impact Factor (IF5) with the method of statistical study.
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