Figure 4
A scatter plot representing a citation network by publications. The plot features numerous nodes connected by lines, indicating citations between publications. The nodes are color-coded into three groups: red, purple, and blue on the left side, and green on the right side. The plot includes labels for specific publications, such as lam jsi 2014, schipper ca 2017, and lim s 2019 among others. The horizontal axis and vertical axis do not have visible labels or units. The nodes are scattered across the plot, with some forming dense clusters, particularly in the red, purple, and blue groups on the left. The green nodes on the right are more spread out. There are no visible regression or trend lines. The overall pattern shows a network of interconnected publications, with some publications being more centrally located and others on the periphery.Citation network by publications