Vocabulary & Crosswalk specification

Baseline-information Obligations Mapping ontology

https://w3id.org/bom/

A SKOS bridge ontology mapping software and AI baseline information requirements to standard exchange format metadata.

Main ontology

Latest stable release Released: 24 July 2026

Baseline-information Obligations Mapping ontology v0.1.0

The primary ontology specification defines structural metadata concepts, provision type vocabularies, and domain profiles harmonizing NTIA, CISA, G7, BSI, and MOF baseline information obligations.

HTML spec RDF/Turtle source (bom.ttl)

Information requirement specs

G7 SBOM for AI

G7 SBOM for AI Minimum Elements for Artificial Intelligence systems and models (2026).

HTML spec g7ai.ttl
g7ai:

Model Openness Framework (MOF)

Completeness assessment requirements defined by the Model Openness Framework (2024).

HTML spec mof.ttl
mof:

NTIA Minimum Elements

NTIA SBOM Minimum Elements for Software Transparency (2021).

HTML spec ntia.ttl
ntia:

Regulatory specifications

EU Artificial Intelligence Act

EU AI Act transparency and registration obligations (Art. 49 eligibility, Annex VIII Sec. A/B/C, Annex IX real-world testing).

HTML spec euaiact.ttl euaiact:

SSSOM crosswalks (in development)

Crosswalk mappings formatted in Simple Standard for Sharing Ontological Mappings (SSSOM)
Mapping File Source Specification Target Format
bom-to-spdx31.sssom.tsv BOM ontology SPDX 3.1-dev
g7ai-to-spdx31.sssom.tsv G7 SBOM for AI Minimum Elements SPDX 3.1-dev
ntia-to-spdx31.sssom.tsv NTIA SBOM Minimum Elements SPDX 3.1-dev
mof-to-spdx31.sssom.tsv Model Openness Framework SPDX 3.1-dev