情报学报  2020, Vol. 39 Issue (11): 1162-1170    DOI: 10.3772/j.issn.1000-0135.2020.11.005
  情报理论与应用 本期目录 | 过刊浏览 | 高级检索 |
国际专利分类号间的知识流动与技术间知识溢出测度——基于中国发明授权专利数据
王格格, 刘树林
武汉理工大学经济学院,武汉 430000
Knowledge Flow between International Patent Classification Numbers and Knowledge Spillover Measures between Technology Sectors: Based on China??s Authorized Patent Data
Wang Gege, Liu Shulin
School of Economics, Wuhan University of Technology, Wuhan 430000