Table 9.
External ontologies cross-referenced in DMTO
| Ontology | Role in DMTO | Classes | Object property | Data property | Total |
|---|---|---|---|---|---|
| BFO | Top-level reference ontology | 35 | 0 | 0 | 35 |
| OGMS | Mid-level reference ontology for medical domain | 120 | 0 | 0 | 120 |
| RxNorm | References drugs and chemical substances | 343 | 20 | 5 | 368 |
| TIME | All temporal related classes and relations | 28 | 28 | 20 | 76 |
| DINTO | All drugs’ adverse effects | 2369 | 0 | 0 | 2369 |
| DDO | Diabetes diagnosis–related aspects | 6444 | 42 | 6 | 6492 |
| OBO RO | Standard object properties design | 0 | 20 | 0 | 20 |
| PATO | List of qualities that describe drugs and processes | 219 | 0 | 0 | 219 |
| OntoFood | List of diabetes foods and material nutrients | 216 | 0 | 0 | 216 |
| SMASH | Terms related to types of physical exercise | 47 | 0 | 0 | 47 |
| Total imported | 9821 | 110 | 31 | 9962 | |
| Newly added | 879 | 60 | 76 | 1015 | |
| DMTO | 10,700 | 170 | 107 | 10,977 |