Standards & ontology
Ontology crosswalks.
Each Codex dataset maps field-by-field to a binding industry standard. DCAT-US v3.0 is federally mandated for U.S. open data starting 2026 — alignment is non-negotiable for institutional buyers.
Read the normalization standard →
Civic Intelligence
DCAT-US v3.0 · PROV-DM · schema.org/GovernmentService
U.S. Department of Commerce · W3CRead crosswalk →
AIS Maritime Positions
IHO S-100 · IMO A.600(15) · ITU-R M.1371
IHO · IMO · ITURead crosswalk →
Urban Signal Grid
OSCRE IDM 2.0 · OGC API — Features · DCAT-US v3.0
OSCRE · OGC · U.S. DOCRead crosswalk →
Axiom Events Timeline
W3C PROV-DM · schema.org/Event · DCAT-US v3.0
W3C · U.S. DOCRead crosswalk →
LEHD Commuter Flows
Census TIGER/FIPS · OGC GeoJSON · DDI-Lifecycle
U.S. Census Bureau · OGC · IETFRead crosswalk →
POI Intelligence
schema.org/LocalBusiness · GS1 GLN · OGC GeoJSON
Schema.org · GS1 · OGCRead crosswalk →
Permit Signals
DCAT-US v3.0 · schema.org/ConstructionPermit · PROV-DM
U.S. DOC · Schema.org · W3CRead crosswalk →
OSHA Safety Index
schema.org/GovernmentPermit · NAICS · FRS · DCAT-US
OSHA · U.S. Census · EPA · U.S. DOCRead crosswalk →