Ontology / data model · 2.2 · W3C Recommendation · 2018-02-15

W3C ODRL Information Model

Maintained by W3C

What it helps you do

Use ODRL when you need policies containing permissions, prohibitions, duties, parties, assets, constraints, inheritance, and conflict strategies.

  • AI / ML
  • Cross-cutting
PlanAcquireHarmonizeExchangeLearn + reuse

01

Where it fits—and where it doesn’t

Use these four checks before committing implementation time.

Use it when
Machine-readable usage conditions for datasets and distributions, including research-purpose, redistribution, attribution, retention, and temporal or jurisdictional constraints.
Do not use it as
Do not treat ODRL as a complete solution on its own. A syntactically valid policy does not prove the assigner has authority, make the policy legally enforceable, or provide the system that evaluates and enforces it.
Best for
Teams working with AI / ML and Cross-cutting data across Plan → Exchange → Learn + reuse.
Maturity
EstablishedEstablished enough for serious use; still pin the exact release and any implementation profile.

02

See it in the workflow

A standard creates value by changing a handoff, not by existing in a catalog.

  1. InputWhat starts

    AI / ML and Cross-cutting data, metadata, and the local decisions around them

  2. ODRLWhat changes

    ODRL applies a shared ontology / data model across Plan → Exchange → Learn + reuse

  3. OutputWhat becomes possible

    A more consistent, reviewable handoff for the next system or team

Readiness gateBefore scaling: A syntactically valid policy does not prove the assigner has authority, make the policy legally enforceable, or provide the system that evaluates and enforces it.

03

A concrete example

A controlled dataset links a versioned ODRL policy stating permitted research, prohibited re-identification or redistribution, applicable constraints, and duties such as attribution, deletion, or reporting.

Why it matters: Supports agent-readable use screening and obligations, while accountable approval and technical enforcement remain separate controls.

04

What it fits with

Profiles can reuse DPV privacy concepts and DUO biomedical use terms; DCMI terms describe policy metadata, while DCAT or RO-Crate can link policies to assets.

05

Implementation starter

Start with one bounded handoff. Pin, test, and review it before scaling.

  1. Name an accountable owner and the decision ODRL must support.

  2. Pin the exact version and companion artifacts: 2.2 · W3C Recommendation · 2018-02-15.

  3. Map one representative input to the required ontology / data model artifacts.

  4. Test the result against the canonical source and record every exception.

  5. Preserve the source data, mappings, and review evidence before scaling.

06

Limitation to test first—and the tests that catch it

Risk

A syntactically valid policy does not prove the assigner has authority, make the policy legally enforceable, or provide the system that evaluates and enforces it.

Test

Run one representative end-to-end pilot and record exactly where ODRL loses context, needs an extension, or depends on another standard.

Risk

A structured or machine-readable result can still be unfit for analysis or AI.

Test

Test the output for missing context, provenance, terminology alignment, time leakage, and the intended downstream decision. Supports agent-readable use screening and obligations, while accountable approval and technical enforcement remain separate controls.

07

Why we believe this

Checked against the canonical source plus independent operational evidence from an adopter, regulator, or implementation report.

Evidence notation: E1 + E2. The code is shorthand; the plain-language statement above is the claim.

Formal status
W3C Recommendation 2.2
Confidence
High
Review state
Source-checked
Reviewed by
Data-rights policy reviewer
Last verified
13 July 2026
Review again when
W3C erratum, successor, or adopted domain-profile update
How the evidence method works

08

Source shelf

Official diagrams, examples, specifications, and explainers. Nothing external loads until you choose to open it.

  • Primary source2.2 · W3C Recommendation · 2018-02-15

    W3C ODRL Information Model 2.2

    The canonical publisher or steward source used to verify this ontology / data model profile.

    Publisher
    W3C
    Rights
    Rights remain with the publisher; this knowledge base links to the source rather than copying it.
    Access
    Opens the publisher's source in a new tab; no external media loads on this page.
    Verified
    2026-07-13
    Open at source

Next action

Put this profile in context

Compare its role with adjacent standards or place it inside an end-to-end data pathway before choosing an implementation.