Figure 2.
The horizontal axis lists publication categories. The vertical axis represents the number of records and ranges from 0 to 350 in increments of 50. The data from the graph, presented in the format, category: Preliminary search result, Refined search result, are as follows. Conference Proceedings: 303, 39. Journal Articles: 203, 38. Book chapter: 18, 8. Book: 6, 0. Retracted: 4, 0.Preliminary and refined search result types and distributions
Source: Authors’ own work