Statistics of CTO: Core Ontology of Clinical Trials
Ontology: CTO
| Index | Ontology Prefix | Class | ObjectProperty | DatatypeProperty | AnnotationProperty | Instance | Total |
| 1 | BFO | 35 | 3 | 0 | 2 | 0 | 40 |
| 2 | CHEBI | 2 | 0 | 0 | 0 | 0 | 2 |
| 3 | CTO | 101 | 6 | 0 | 5 | 0 | 112 |
| 4 | DRON | 1 | 0 | 0 | 0 | 0 | 1 |
| 5 | ERO | 4 | 0 | 0 | 0 | 0 | 4 |
| 6 | IAO | 14 | 1 | 0 | 15 | 3 | 33 |
| 7 | MS | 1 | 0 | 0 | 0 | 0 | 1 |
| 8 | NCBITaxon | 6 | 0 | 0 | 0 | 0 | 6 |
| 9 | NCIT | 45 | 0 | 0 | 13 | 0 | 58 |
| 10 | OAE | 5 | 0 | 0 | 0 | 0 | 5 |
| 11 | OBI | 31 | 1 | 0 | 3 | 0 | 35 |
| 12 | OGMS | 7 | 0 | 0 | 0 | 0 | 7 |
| 13 | OMIABIS | 2 | 0 | 0 | 0 | 0 | 2 |
| 14 | OMRSE | 2 | 0 | 0 | 0 | 0 | 2 |
| 15 | OPMI | 28 | 1 | 0 | 1 | 0 | 30 |
| 16 | PATO | 7 | 0 | 0 | 0 | 0 | 7 |
| 17 | PDRO | 1 | 0 | 0 | 0 | 0 | 1 |
| 18 | RO | 0 | 5 | 0 | 0 | 0 | 5 |
| 19 | VO | 6 | 0 | 0 | 0 | 0 | 6 |
| 20 | ncbitaxon | 0 | 0 | 0 | 1 | 0 | 1 |
| 21 | oboInOwl | 0 | 0 | 0 | 10 | 0 | 10 |
| 22 | protege | 0 | 0 | 0 | 1 | 0 | 1 |
| 23 | rdf-schema | 0 | 1 | 0 | 4 | 0 | 5 |
| 24 | NoPrefix | 0 | 0 | 0 | 12 | 2 | 14 |
| Total | - | 298 | 18 | 0 | 67 | 5 | 388 |
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