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| 引用本文： | 靖培栋,王卫.???????????????????????????????[J].图书情报工作,1999,0(6):16-20. |
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| 作者姓名： | 靖培栋 王卫 |
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| 作者单位： | ????????????????????????, ???? 100875 |
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| 基金项目： | 国家社会科学基金资助项目 !项目编号为 :96 CTQ0 0 3 |
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| 摘 要： | 研究科技文献老化诸模型间的关系，特别指出两个角指数模型的统一性，提出一个更一般的老化负指数模型和计算老化率的方法。
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| 关 键 词： | ??????? ??? ?????? F-???? |
On the Obsolescence Models of Scientific Literature and the Calculation of Obsolescence Rate |
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| Jing Peidong,Wang Wei.On the Obsolescence Models of Scientific Literature and the Calculation of Obsolescence Rate[J].Library and Information Service,1999,0(6):16-20. |
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| Authors: | Jing Peidong Wang Wei |
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| Institution: | Department of Information Technology and Management, Beijing Normal University |
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| Abstract: | ??Analyzes the relation of obsolescence models of scientific literature, and specifically points out the unity of two negative exponential obsolescence models. And then develops a generalized negative exponential obsolescence model and proposes a direct method of calculating the obsolescence rate. |
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