The PROV Ontology
OWL2 ontology for provenance — entities, activities, and agents. Tracks data lineage and audit trails.
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Where this one tends to earn its keep.
Track data lineage in ETL pipelines
Audit trail for regulatory compliance
Scientific workflow reproducibility
ML model provenance tracking
W3C-Document-LicenseDerivative works may be distributed only as software, supporting materials or documentation — not as a standalone or competing technical specification.
Derived from PROV-O, Copyright (c) 2013 World Wide Web Consortium. https://www.w3.org/Consortium/Legal/copyright-documents. Source: https://www.w3.org/TR/prov-o/
Verified against the licence text on 2026-08-07.
Others worth a look in Web Standards.