| Typicality: | 0.386 |
| Saliency: | 0.319 |
| as a tool | 3 | purpose |
| by mcgill university student alan emtage | 2 | other |
| search engine → be created in → 1990 | 5 |
| search engine → be introduced in → 1990 | 4 |
| search engine → appear in → 1990 | 3 |
| search engine → be launched in → 1990 | 3 |
| negative | neutral | positive |
| 0.078 | 0.638 | 0.284 |
| Raw frequency | 15 |
| Normalized frequency | 0.319 |
| Modifier score | 0.500 |
| Perplexity | 93.738 |