- The DBpedia Ontology
The DBpedia ontology provides the classes and properties used in the DBpedia data set.
- Data Catalog Vocabulary
DCAT is an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web
- FAO Geopolitical Ontology
FAO's geopolitical ontology version 1.1 was populated with FAO, UN and internationally recognized data sources.
- LinkedGeoData ontology
LinkedGeoData ontology has been derived from concepts defined by Open Street Map
- PersonLink Ontology
A Multilingual and Multicultural Ontology Representing Family Relationships.
- Time Ontology
This vocabulary defines temporal entities such as time intervals, their properties and relationships.
- VIVO Core Ontology
An ontology of academic and research domain, developed in the framework of the VIVO project