| in the field of education | 5 | location |
| in history | 4 | temporal |
| by postsecondary institutions | 3 | location |
| database → be used for → research | 16 |
| database → be → a research tool | 4 |
| database → be intended for → research | 4 |
| database → be used in → the research | 3 |
| database → be used to support → research | 3 |
| database → be → part of a research project | 3 |
| database → serve as → a research tool | 3 |
| negative | neutral | positive |
| 0.021 | 0.718 | 0.261 |
| Raw frequency | 36 |
| Normalized frequency | 0.400 |
| Modifier score | 0.500 |
| Perplexity | 80.046 |