Project Open Data / data.json
Metadata Model
Government
Resources.data.gov is an online repository of policies, tools, case studies and other resources to support data governance, management, and use throughout the federal government...
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
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