Grounding the Machine: Using Semantic Modeling (Haystack/Brick) as a Guardrail for Building AI

Large language models are good at sounding right about buildings. Without a rigid semantic foundation underneath them, they invent point names and misread how equipment is connected.

Zack Allen (Senior Project Engineer, Stok) and Jason Breede (VP, Engineering, Stok) show how a semantic model built on Project Haystack and Brick Schema becomes the retrieval layer that keeps AI inside the building's real metadata, so answers trace back to actual points and relationships.

Watch the full recording and download the slides with Nexus Pro.

Recording

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Slides