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引文统计数据
相关语句
  citation statistics
     Analyses of citation statistics and its relationship with research and journal evaluation indicate that citation analysis should be prudently used in research evaluation. Moreover, the uncertainty of impact factor is discussed based on time period, paper type and journal size.
     从引证类型和检索系统统计源期刊组成分析SCI的引文统计数据及相关指标与期刊和论文学术水平间的不对应关系,并从引文统计时段、论文类型和期刊大小等方面探讨影响因子本身的不确定性;
短句来源
  statistical data of citation
     Aiming at our practical situation, it measures the half-life of obsolescence of our S &T document in 1975 and 1988 through statistical data of citation by means of method of same time and of exprienced time.
     针对我国实际情况,分别利用历时法和同时法引文统计数据测定了1975年、1988年我国科技文献的老化半衰期
短句来源
  “引文统计数据”译为未确定词的双语例句
     This Article gives out 4 Kinds of statistic mathematical models in research on the exhausting of document, we use the statistic data of citation in the journal of Nanjing Agricultural University as exemplum, analysed the Llmitations in calculating on the half-life of documents in the past, Also, We suggest using the SAS program which will be simple and accurate in calculating.
     文章给出了研究文献老化的4种统计数学模型,并以南京农业大学学报的引文统计数据为实例,分析了过去在文献半衰期计算中存在的某些缺陷,同时提供了计算上简便准确的SAS软件计算程序。
短句来源
     The background of the B-K (Burton-Kebler) equation of literature obsolescence is introduced. The equation method is particularly derived with the linear regression. Based on the above linear regression result, the method has been applied to the statistical citation datum on Acta Electronica Sinica in 1994. The correlation coefficient is found and the significance of the equation indicated in the paper.
     介绍了文献B-K老化方程产生的背景,推导了用一元线性回归求解B-K老化方程的方法 基于上述回归结果,对1994年《电子学报》引文统计数据进行分析,给出了线性方程的相关系数,检验了方程回归的显著性,求出了实例文献的半衰期为7 3年 结果表明,用B-K老化方程求文献的半衰期是简单可靠的
短句来源
  相似匹配句对
     Statistics
     统计数据
短句来源
     Data is the language of statistics.
     数据统计的语言。
短句来源
     DATA
     数据
短句来源
     DATA & INFORMATION
     数据
短句来源
     Statistics of quotation and description of references
     引文统计工作及参考文献的著录
短句来源
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  citation statistics
In this paper, we describe two: LibGraph, which is a visualization of a collaborative library, and CiteGraph, which is a visualization of citation statistics.
      
A large proportion of astronomers are sparsely cited or not cited at all, a fact which shows that estimations of the number of scientists based upon citation statistics are underestimates.
      
A plea is made to use citation statistics rather than publication statistics for evaluation.
      
It then analyses the latest publication and citation statistics.
      
The second part is devoted to the bibliometric analysis of first-citation statistics and of the phenomenon of citation delay.
      
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This paper discusses the relation between the document utijization and citation, document obsolescence, year distribution of citations on the basis of discussion of growth of S &T document, production cycle of document etc. It indicates the unreliability to measure document obsolescence through counting citation data, suggests the method to measure the speed of document obsolescence through data of citation correction. Aiming at our practical situation, it measures the half-life of obsolescence of our S &T document...

This paper discusses the relation between the document utijization and citation, document obsolescence, year distribution of citations on the basis of discussion of growth of S &T document, production cycle of document etc. It indicates the unreliability to measure document obsolescence through counting citation data, suggests the method to measure the speed of document obsolescence through data of citation correction. Aiming at our practical situation, it measures the half-life of obsolescence of our S &T document in 1975 and 1988 through statistical data of citation by means of method of same time and of exprienced time.

本文在分析了科技文献增长、文献生产周期等基础上,讨论了文献使用与引文、文献老化与引文年代分布之间的联系,指出了利用统计引文数据测定文献老化速度的不可靠性,提出了引文校正数据测定文献老化速度的方法。针对我国实际情况,分别利用历时法和同时法引文统计数据测定了1975年、1988年我国科技文献的老化半衰期

This Article gives out 4 Kinds of statistic mathematical models in research on the exhausting of document, we use the statistic data of citation in the journal of Nanjing Agricultural University as exemplum, analysed the Llmitations in calculating on the half-life of documents in the past, Also, We suggest using the SAS program which will be simple and accurate in calculating.

文章给出了研究文献老化的4种统计数学模型,并以南京农业大学学报的引文统计数据为实例,分析了过去在文献半衰期计算中存在的某些缺陷,同时提供了计算上简便准确的SAS软件计算程序。

Analyses of citation statistics and its relationship with research and journal evaluation indicate that citation analysis should be prudently used in research evaluation. Moreover, the uncertainty of impact factor is discussed based on time period, paper type and journal size. From the above mentioned analyses and citation errors in SCI covering Chinese scientific journals, it could be concluded that SCI citation statistics should also be prudently used in Chinese research and journal evaluation.

从引证类型和检索系统统计源期刊组成分析SCI的引文统计数据及相关指标与期刊和论文学术水平间的不对应关系,并从引文统计时段、论文类型和期刊大小等方面探讨影响因子本身的不确定性;通过分析中国科技期刊的被引情况指出SACI中引文数据的统计错误。认为在我国的科研成果和学术期刊评价中,一定要具体分析SCI的统计数据,适度、合理地使用引证分析方法。

 
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