| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| history of natural language processing pdf | 1.8 | 0.1 | 2321 | 71 | 42 |
| history | 1.22 | 0.1 | 3833 | 83 | 7 |
| of | 1.55 | 0.8 | 6746 | 91 | 2 |
| natural | 1.21 | 0.5 | 5957 | 36 | 7 |
| language | 0.54 | 0.7 | 6716 | 49 | 8 |
| processing | 0.6 | 0.3 | 6750 | 36 | 10 |
| 1.77 | 1 | 7622 | 91 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| history of natural language processing pdf | 1.58 | 0.7 | 1463 | 65 |
