Research on Patentee Cooperation Network between Enterprises Based on Electronic Information Industry

  • Jianping Li
  • Yinghong Ma
  • Xiulong Wang
  • Pengfei Du
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8351)


The paper taked electronic information industry in china as research objects. We collected data from China Intellectual Property (CNIPR), and built an evolution of cooperation network model, according to patentee cooperation between enterprises from 2005 to 2012. Research showed that the node degree distribution basically conforms to power law distribution with a scale-free nature. In this paper defined a cumulative error function with Kolmogorov-Smirnov (KS) statistics, and the result indicated that shifted power law distribution is more in line with real data, which correspond to different time spans. From the visualization of the evolution network, some key nodes, which located in the important position of the network, can be found. Besides two interesting phenomenon appeared: uneven increasing of clusters size and clusters aggregation.


enterprise cooperation patentee cooperation network network evolution degree distribution cluster 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Jianping Li
    • 1
  • Yinghong Ma
    • 1
  • Xiulong Wang
    • 1
  • Pengfei Du
    • 1
  1. 1.School of Management Science and EngineeringShandong Normal UniversityJinanChina

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