N0393 Apr 2026
: Section 6 of N0393 describes how to define constraints and semantics for specific applications. A TMA definition uses the model's primitives to specify:
: The kinds of relationships that can exist between topics. Role Types : The parts topics play within those assertions. : Section 6 of N0393 describes how to
For more technical details on the standard's history, you can review the ISO/IEC JTC1/SC34 Document Register or the TMASD Application Definition . ISO/IEC JTC1/SC34 N0406 For more technical details on the standard's history,
: Conformance to N0393 is often considered a matter of subjective human judgment rather than something easily verifiable by automated software alone. like "Occurrence-ness". Drafting Considerations
If you are drafting a piece to align with or describe this model, your content should focus on these core structural and semantic principles: Core Concepts of the N0393 Reference Model
: Efforts to "draft a piece" regarding N0393 often involve the Standard Application Model (N0396) . Alignment requires separating purely structural material from the material that defines higher-level semantics, like "Occurrence-ness". Drafting Considerations

