Table 1. Main information of the investigation.
| Description | Results |
| Main information about data | |
| Timespan | 1990-2024 |
| Sources (journals, books, etc.) | 373 |
| Documents | 709 |
| Annual growth rate % | 12.63 |
| Document average age | 7.09 |
| Average citations per doc | 29.13 |
| References | 29168 |
| Document contents | |
| Keywords plus (ID) | 7395 |
| Author's keywords (DE) | 1948 |
| Authors | |
| Authors | 3098 |
| Authors of single-authored docs | 35 |
| Authors collaboration | |
| Single-authored docs | 39 |
| Co-authors per doc | 4.93 |
| International co-authorships % | 33.15 |
| Document types | |
| Article | 630 |
| Conference paper | 79 |