Figure 5.
The image depicts a heatmap that visualizes authors and their corresponding publication years regarding a specific field or topic. The authors' names are scattered across a vibrant gradient background, ranging from deep blue in the corners to bright yellow and red in the center. Names are displayed in varying font sizes, with larger names indicating a higher density or significance of publications in the area. The design includes numerous author-year pairs, facilitating a quick visual assessment of the prominence of each name within the dataset.Density map of the bibliographic coupling of articles
Source: Authors’ own work