Figure 4
The figure consists of two parts, labeled “a” and “b”. Part “a” is a horizontal bar graph positioned at the top. The horizontal axis represents numerical values and ranges from 0 to 30 in increments of 5 units. The vertical axis contains twelve countries arranged from top to bottom, and labeled as follows: “France”, “Vietnam”, “Spain”, “Turkey”, “Mexico”, “China”, “Canada”, “Brazil”, “South Africa”, “Iran”, “United Kingdom”, and “Australia”. There are 24 bars in the graph, clustered in groups of 2 for each country. The legend below indicates orange bars for “Total link strength” and blue bars for “Documents”. The data is as follows: France: Total link strength: 1. Documents: 2. Vietnam: Total link strength: 2. Documents: 2. Spain: Total link strength: 2. Documents: 2. Turkey: Total link strength: 2. Documents: 3. Mexico: Total link strength: 2. Documents: 3. China: Total link strength: 2. Documents: 11. Canada: Total link strength: 3. Documents: 4. Brazil: Total link strength: 3. Documents: 11. South Africa: Total link strength: 4. Documents: 5. Iran: Total link strength: 5. Documents: 4. United Kingdom: Total link strength: 6. Documents: 7. Australia: Total link strength: 10. Documents: 25. Part “b” is a network visualization positioned at the bottom, consisting of colored circular nodes connected by curved lines. The nodes are arranged horizontally from left to right as follows: a yellow node for “france” on the far left, followed by a light green node for “china”, a medium green node for “brazil”, and a large green node for “australia” in the left-center. To the right, there is a cluster of red nodes for “vietnam”, “canada”, and “mexico”. Further right, there is a blue node for “iran”, terminating with a light blue node for “turkey” on the far right. Curved lines of corresponding colors link the nodes, with the thickest connections appearing between the green cluster and the blue cluster. Note: All the numerical data values are approximated for the bar graph.(a and b) Illustrations of leading countries and their collaboration nexuses in contributing to the advancement of research on RL in the CI. Source: Authors' own work