引文网络中的时间机制：针对专利文献的统计

doi:10.3969/j.issn.1672-2272.2018.08.042

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摘要人们很早就发现引文网络满足一定的分布规律，比如连续度满足幂律分布，节点增长满足指数函数等，随着时间的发展这些分布是否会维持稳定，幂指数和指数函数的底是否会发生变化。基于专利文献的统计，研究引文网络中的时间机制：收集美国近40年授权专利构建引证网络，分时段统计引文网络中节点的增长、平均参考文献数量的分布、引文度分布等指标。通过分析不同的专利文献的节点、边、引文、度分布规律，进而分析这些分布主要参数的变化规律。

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	程洁琼

关键词: 引证网络时间机制节点分布边分布度分布

收稿日期: 2018-06-28 出版日期: 2018-08-25 发布日期: 2018-11-23 整期出版日期: 2018-08-25

引用本文:

程洁琼. 引文网络中的时间机制：针对专利文献的统计[J]. 科技创业月刊, 2018, 31(8): 147-160.

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http://www.zgkjcy.com/CN/10.3969/j.issn.1672-2272.2018.08.042 或 http://www.zgkjcy.com/CN/Y2018/V31/I8/147

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