| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| reference ontology using concept | 1.99 | 1 | 9070 | 15 | 32 |
| reference | 1.42 | 1 | 5554 | 50 | 9 |
| ontology | 0.69 | 0.7 | 1823 | 45 | 8 |
| using | 0.32 | 0.4 | 1751 | 36 | 5 |
| concept | 1.27 | 0.4 | 3336 | 47 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| reference ontology using concept | 1.91 | 0.4 | 2919 | 76 |
