Statistics of CTO: Core Ontology of Clinical Trials
Ontology: CTO
| Index | Ontology Prefix | Class | ObjectProperty | DatatypeProperty | AnnotationProperty | Instance | Total |
| 1 | BFO | 0 | 3 | 0 | 2 | 0 | 5 |
| 2 | CTO | 0 | 6 | 0 | 5 | 0 | 11 |
| 3 | IAO | 0 | 1 | 0 | 15 | 3 | 19 |
| 4 | NCIT | 0 | 0 | 0 | 13 | 0 | 13 |
| 5 | OBI | 0 | 1 | 0 | 3 | 0 | 4 |
| 6 | OPMI | 0 | 1 | 0 | 1 | 0 | 2 |
| 7 | RO | 0 | 5 | 0 | 0 | 0 | 5 |
| 8 | ncbitaxon | 0 | 0 | 0 | 1 | 0 | 1 |
| 9 | oboInOwl | 0 | 0 | 0 | 10 | 0 | 10 |
| 10 | protege | 0 | 0 | 0 | 1 | 0 | 1 |
| 11 | rdf-schema | 0 | 1 | 0 | 4 | 0 | 5 |
| 12 | NoPrefix | 0 | 0 | 0 | 12 | 2 | 14 |
| Total | - | 0 | 18 | 0 | 67 | 5 | 90 |
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