Vocabulary
The FAIA Vocabulary provides a structured, machine-readable model for describing AI involvement in digital content creation. Rather than relying on a single label, FAIA combines complementary vocabulary elements that describe the overall nature of a work, the role AI played during its creation, and the AI systems involved.
The vocabulary is designed to support interoperable AI attribution across different media types, workflows, publishing environments, platforms, and technical systems.
FAIA semantic resources are published as open vocabularies and ontologies using persistent identifiers and Semantic Web standards, including JSON-LD or RDF.
Together, these components support transparent, consistent, and interoperable disclosure of AI involvement across media types, workflows, and application domains.
FAIA Flags
FAIA Flags provide a high-level classification of the resulting content. Every FAIA declaration contains exactly one Flag describing whether the work is Human-Created, AI-Assisted, or AI-Generated.
The Flags communicate the overall degree of AI involvement while remaining independent of the specific tools or workflow used.
Activity Codes
Activity Codes describe how AI contributed during the content lifecycle. Unlike the FAIA Flags, multiple Activity Codes may be associated with a single declaration to describe different forms of AI involvement.
FAIA defines a set of generic Activity Codes – Co-Creation, Contribution, Enhancement, Refinement, Transformation, and Analysis – that apply across media types. It also supports the integration of domain-specific activity vocabularies, allowing communities to adopt established classifications within the broader FAIA framework. The first supported example is the STM AI Classification for scholarly publishing.
Learn more about Activity Codes →
System Attribution
System Attribution records the AI system used during content creation or modification and, where available, the version involved. Identifying the AI system provides additional transparency, reproducibility, and context, particularly as different systems and releases may differ substantially in capabilities and behaviour.
Learn more about System Attribution →
Relationship Between the Vocabulary Components
The three vocabulary components complement one another:
FAIA Flags answer: "What is the overall nature of this content?"
Activity Codes answer: "How did AI contribute during its creation?"
System Attribution answers: "Which AI system and version were used?"
Together they provide a structured vocabulary for describing AI involvement in a way that is understandable to both humans and machines.
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