| Provider Name | Provider Code | URI |
|---|---|---|
| Semantically-Interlinked Online Communities Core Ontology | sioc.core |
http://rdfs.org/sioc/ns#Item |
| Semantically-Interlinked Online Communities Core Ontology (RDF) | rdf |
http://rdfs.org/sioc/ns#Item |
| Bioregistry | bioregistry |
https://bioregistry.io/sioc.core:Item |