ADMS (Asset Description Metadata Schema)
Metadata Model
Government
openly published
A vocabulary for describing semantic interoperability assets - highly reusable metadata and reference data used for eGovernment system development....
Other government data models
BODS (Beneficial Ownership Data Standard)
Information Model
DCAT / DCAT-AP
Metadata Model
EU Core Vocabularies (Person, Business, Location, Criterion)
Ontology / Vocabulary
EuroVoc
Code System
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