| Resource | Count | SKOS mapping |
| "The RDF Schema vocabulary (RDFS)"@en | 2 |
| "open.vocab.org" | 2 |
| "Citation Oriented Bibliographic Vocabulary" | 1 |
| "Description of a Project (DOAP) vocabulary" | 1 |
| "DoCO, the Document Components Ontology"@en | 1 |
| "FaBiO, the FRBR-aligned Bibliographic Ontology"^^xsd:string | 1 |
| "Form for a conditional case in a form" | 1 |
| "Form for editing Forms" | 1 |
| "Form for selecting a type of field" | 1 |
| "Friend of a Friend (FOAF) vocabulary" | 1 |
| "GND Ontology"@en | 1 |
| "GND-Ontologie"@de | 1 |
| "Open Annotation Data Model"@en | 1 |
| "The Collections Ontology
(CO)"@en | 1 |
| "The Discourse Elements Ontology
(DEO)"@en | 1 |
| "The Event ontology" | 1 |
| "The OPMW ontology"@en | 1 |
| "The OWL 2 Schema vocabulary (OWL 2)" | 1 |
| "The Pattern Ontology
Describing documents by means of their structural components"@en | 1 |
| "The RDF Concepts Vocabulary (RDF)" | 1 |
| "WGS84 Geo Positioning: an RDF vocabulary" | 1 |