| Provider Name | Provider Code | URI |
|---|---|---|
| WorldAvatar city GML ontology | worldavatar.citygml |
http://www.theworldavatar.com/ontology/ontocitygml/OntoCityGML.owl#AbstractAppearanceType |
| Bioregistry | bioregistry |
https://bioregistry.io/worldavatar.citygml:AbstractAppearanceType |