draft-ietf-asdf-sdf-nonaffordance

Semantic Definition Format (SDF) Extension for Non-Affordance Information

streamIETF groupasdf stateactive pages18 rev03 expires2026-07-25 canonicalhttps://datatracker.ietf.org/doc/draft-ietf-asdf-sdf-nonaffordance/

This document describes an extension to the Semantic Definition Format (SDF) for representing non-affordance information of Things, such as physical, contextual, and descriptive metadata. This extension introduces a new class keyword, sdfContext, that enables comprehensive modeling of Things and improves semantic clarity.