What I make of it
The EU’s answer to NIEM — small, reusable, and widely profiled.
EU Core Vocabularies (Person, Business, Location, Criterion)
Ontology / Vocabulary
Government
openly published
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Other government data models
ADMS (Asset Description Metadata Schema)
Metadata Model
BODS (Beneficial Ownership Data Standard)
Information Model
DCAT / DCAT-AP
Metadata Model
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