| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| web of science database | 1.58 | 0.2 | 7020 | 46 | 23 |
| web | 0.09 | 1 | 6444 | 71 | 3 |
| of | 0.6 | 0.4 | 1166 | 27 | 2 |
| science | 0.48 | 1 | 2568 | 20 | 7 |
| database | 0.63 | 0.6 | 4897 | 55 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| web of science database | 0.28 | 0.3 | 7855 | 83 |
