Fig. 4 | Scientific Data

Fig. 4

From: Spatio-Temporal Geographic Networks for Value Co-Creation and Technology Transfer in China with Patent Data

Fig. 4

Spatial association architecture of the two UKNs in 2011,2016 and 2021. (a–c) illustrate the spatial structure of the UKN-C network. (d–f) show the spatial structure of the UKN-T network. In the background map, pink represents eastern cities, purple represents central cities, blue represents western cities, and gray indicates missing data. It should be noted that the maps used are sourced from the Ministry of Natural Resources of the People’s Republic of China (http://bzdt.ch.mnr.gov.cn/). These maps are produced by the Standard Map Service System (license No. GS (2023)2767) with a cartographic scale of 1:780,000,000, which is one of the standard maps of the 2023 edition.

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