| 科技文献经典老化模型的新修正 |
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| 引用本文： | 靖培栋,刘忠厚.科技文献经典老化模型的新修正[J].情报学报,1999,18(1). |
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| 作者姓名： | 靖培栋 刘忠厚 |
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| 作者单位： | 北京师范大学信息技术与管理学系,北京,100875 |
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| 摘 要： | 科技文献老化的经典模型，负指数模型和ＢｕｒｔｏｎＫｅｂｌｅｒ公式存在着密切联系，在分析其密切联系的基础上，提出了它们的一个新修正式，并利用统计检验的方法验证了新模型的合理性和比原模型更高的拟合度。
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| 关 键 词： | 科技文献 老化 模型 x2检验 |
A New Amendment to the Classical Obsolescence Models of Scientific Literature |
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| Jing Peidong and Liu Zhonghou.A New Amendment to the Classical Obsolescence Models of Scientific Literature[J].Journal of the China Society for Scientific andTechnical Information,1999,18(1). |
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| Authors: | Jing Peidong and Liu Zhonghou |
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| Abstract: | This paper points out the connection of the classical obsolescence models of scientific literature including the negative exponential model and the Burton-Kebler formula.An improved form of the Burton-Kebler formula is given,and its accuracy has been checked and verified. |
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| Keywords: | scientific literature obsolescence model x 2-check |
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