How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Need help?

Contact us

IAO (Information Artifact Ontology)

Ontology / Vocabulary Cross Domain openly published

The Information Artifact Ontology (IAO) is a new ontology of information entities, originally driven by work by the OBI digital entity and realizable information entity branch....

OBO Foundry, from their own opening paragraph

Other cross domain data models

BFO (Basic Formal Ontology) Ontology / Vocabulary BPMN (Business Process Model and Notation) Metadata Model Creative Commons Rights Expression Language (ccREL) Ontology / Vocabulary CloudEvents Exchange Schema CMMN (Case Management Model and Notation) Metadata Model W3C CSV on the Web (CSVW) Metadata Model Data Vault 2.0 Metadata Model DMN (Decision Model and Notation) Metadata Model Event Ontology Ontology / Vocabulary FOAF Ontology / Vocabulary Frictionless Data Package / Table Schema Metadata Model iCalendar / jCal (RFC 5545, 7265) Information Model
All 49 in cross domain →
← Back to all Data Models
Model Details
Steward OBO Foundry
Origin International
Layer Ontology / Vocabulary
Domain Cross Domain
Status live
Access Openly published
Go to the steward →
How I know this

Promoted from the public OBO Foundry registry, then confirmed against the steward's own site.

Confirmed 2026-08-11

Evidence: name evidence 2/2. Found something wrong? Tell me — corrections are cheap and I would rather be right.

Modernity Profile
66.3 Modernizing
Access Open
Assessed 83.0% of the rubric

A separate measure from the Kin Score, which rates API providers. This rates how current a standard is in how it is expressed, published and paid for — not how good it is. EDIFACT and X12 score low here and move an enormous share of world trade.

Explore more
All Data Models API Standards Schemas Vocabularies