| to measure the slight shifts | 9 | purpose |
| for the first time | 3 | temporal |
| to track moving plates | 3 | purpose |
| scientist → use → gps | 17 |
| scientist → use → gps technology | 7 |
| scientist → use → high precision gps | 3 |
| negative | neutral | positive |
| 0.043 | 0.786 | 0.171 |
| Raw frequency | 27 |
| Normalized frequency | 0.388 |
| Modifier score | 0.600 |
| Perplexity | 432.148 |