Table 2.
Overview of identified ontologies
| Name | Reference | Context of Develop-ment | No. of classes | No. of properties | Country of Origin | Year of publication |
|---|---|---|---|---|---|---|
| Exercise and food ontology | [23] | Knowledge Exchange/ Information Retrieval | - | - | Poland | 2020 |
| FASTO | [24] | Personalized Recommendations (Clinical) | 9577 | 658 | South Korea | 2019 |
| PACO | [25] | Knowledge Exchange/ Information Retrieval | 224 | 23 | US | 2019 |
| OPTimal | [26] | Personalized Recommendations (Clinical) | 142 | 10 | Greece | 2019 |
| OMDP | C | Knowledge Exchange/ Information Retrieval | - | - | China | 2019 |
| Alian | [27] | Personalized Recommendations (Clinical) | - | - | USA | 2018 |
| OAFE | [28] | Personalized Recommendations (Activity Promotion) | 405 | 61 | France | 2018 |
| exercise ontology | [29] | Knowledge Exchange/ Information Retrieval | - | - | India | 2018 |
| ECOPPA | [30] | Personalized Recommendations (Activity Promotion) | - | - | Canada | 2018 |
| Sloth | [31] | Personalized Recommendations (Activity Promotion) | - | - | Germany | 2017 |
| Mining Minds Context Ontology | [32, 33] | Knowledge Exchange/ Information Retrieval | 225 | 25 | South Korea | 2017 |
| Ontology of Motivational Messages | [34] | Personalized Recommendations (Activity Promotion) | - | - | Spain | 2017 |
| Patient Domain Ontology | [35] | Knowledge Exchange/ Information Retrieval | - | - | China | 2017 |
| TrhOnt | [36] | Personalized Recommendations (Clinical) | 2351 | 65 | Spain | 2016 |
| Health and Meal Ontology | [37] | Personalized Recommendations (Activity Promotion) | - | - | Mexico | 2016 |
| Exercise Search Ontology | [38] | Knowledge Exchange/ Information Retrieval | - | - | Germany | 2015 |
| SMASH | [39] | Knowledge Exchange/ Information Retrieval | 189 | 144 | USA | 2015 |
| SHADE | [40, 41] | Personalized Recommendations (Clinical) | - | - | Pakistan | 2014 |
| SHCOntology | [42] | Wearables and sensors | - | - | Spain | 2014 |
| UFIT | [43, 44] | Personalized Recommendations (Activity Promotion) | - | - | Taiwan | 2014 |
| TRAK | [45–47] | Knowledge Exchange/ Information Retrieval | 1619 | 16 | UK | 2013 |
| OPA Ontology | [48] | Knowledge Exchange/ Information Retrieval | - | - | Portugal | 2013 |
| OPE | [49] | Knowledge Exchange/ Information Retrieval | 634 | 27 | USA | 2013 |
| Healthcare Common Ontology | [50] | Wearables and sensors | 13 | - | South Korea | 2011 |
| Exercise Plan Ontology | [51] | Personalized Recommendations (Clinical) | - | - | Greece | 2011 |
| ActivO | [13] | Wearables and Sensors | - | - | Italy | 2011 |
| Nuadu Ontology Collection | [52] | Knowledge Exchange/ Information Retrieval | - | - | Finland | 2007 |
| Ontology for health and exercise | [53] | Personalized Recommendations (Activity Promotion) | - | - | Japan | 2006 |