Table 2 Number of terms in each development step
| Development status | Development step completed | Number of terms |
|---|---|---|
| To do | Step 1 | 119 |
| Already existing in DIDEO | Step 2 | 9 |
| Definition provided | Step 2 | 7 |
| Ready for OWL implementation | Step 3 | 64 |
| In DIDEO | Step 4 | 112 |
| Imported from other ontologies | Step 4 | 7 |
| Total terms to develop | 318 | |
| Redundant terms | 26 | |
| Total terms provided by domain experts | 344 |