EuroVoc
Code System
Government
EU Vocabularies website provides access to vocabularies (controlled vocabularies, schemas, ontologies, data models, etc.) managed by the EU institutions and bodies....
Other government data models
ADMS (Asset Description Metadata Schema)
Metadata Model
BODS (Beneficial Ownership Data Standard)
Information Model
DCAT / DCAT-AP
Metadata Model
EU Core Vocabularies (Person, Business, Location, Criterion)
Ontology / Vocabulary
FollowTheMoney (OpenSanctions)
Information Model
SIC / ISIC / NACE (industry classifications other than NAICS)
Code System
NAICS (North American Industry Classification System)
Code System
OCDS (Open Contracting Data Standard)
Exchange Schema
Popolo / Open Civic Data
Information Model
Project Open Data / data.json
Metadata Model