Data Bricklaying Diary

Aug 18, 2026 · Artificial Intelligence

Semantic Models ≠ Live State: Why Agents Need Object Runtime

This article distinguishes semantic models (which define business object meanings) from object runtime (which provides traceable, versioned projections of specific object states for AI agents), detailing five core responsibilities, differences from data platforms and agent runtimes, a credit-adjustment case study, and guidance on when and how to implement minimal object projections.