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Critical Nodes Identification of Scientific Achievement Commercialization Network under k‐Core

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  • Wuyan Weng
  • Zi Li
  • Qirong Qiu
  • Junheng Cheng

Abstract

Aiming to improve the commercialization efficiency of scientific innovative achievements, this paper utilizes the time series visualization method to construct the time series network of each subsystem. After that, the network similarity is calculated by the cosine similarity theorem. On this basis, a new multilayer network adjacency matrix is obtained. With the adoption of k‐core technology, the critical nodes can be identified to study the transformation efficiency of the innovation value in the network. Finally, according to the provincial innovation value transformation data of China from 1998 to 2016, an empirical study was carried out to calculate and analyze the transformation efficiency of innovation achievements in 30 provinces. The results indicate that (1) the transformation efficiency of innovation value can be expressed by the structure of the time series network constructed by the input‐output vectors; (2) the mapping relationship of the value transformation vectors could be reflected by the cosine similarity of the time series network, while the transformation efficiency of innovation value could be identified using the k‐core; and (3) the transformation efficiency of innovation value in three coastal provinces is relatively higher, while that of the rest of the provinces is roughly the same among the 30 provinces.

Suggested Citation

  • Wuyan Weng & Zi Li & Qirong Qiu & Junheng Cheng, 2022. "Critical Nodes Identification of Scientific Achievement Commercialization Network under k‐Core," Complexity, John Wiley & Sons, vol. 2022(1).
    • Handle: RePEc:wly:complx:v:2022:y:2022:i:1:n:3148484
    DOI: 10.1155/2022/3148484
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    1. Xiaolan Fu & Wing Thye Woo & Jun Hou, 2016. "Technological innovation policy in China: the lessons, and the necessary changes ahead," Economic Change and Restructuring, Springer, vol. 49(2), pages 139-157, August.
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