| Typicality: | 0.431 |
| Saliency: | 0.423 |
| in the usa tropical medicine | 19 | location |
| as a framework for discussion | 4 | purpose |
| for over 80 years | 3 | temporal |
| article → be in → public domain | 49 |
| article → be published in → public domain | 10 |
| article → be placed in → public domain | 4 |
| article → be → public domain | 4 |
| article → enter → public domain | 3 |
| negative | neutral | positive |
| 0.100 | 0.762 | 0.138 |
| Raw frequency | 70 |
| Normalized frequency | 0.423 |
| Modifier score | 0.500 |
| Perplexity | 10.048 |