VLM-Assisted Brick Ontology — Digital Twin Case Studies

Semantic-spatial ontology construction and validation with traceable visual evidence. Select a building to open its 3D BIM viewer and constructed HVAC ontology.

Case Study A · Duct HVAC

Military Hospital

VLM-first construction: Room→VAV→AHU→plant chains, 5-level validation, embodied re-inspection, live relation validation.
202
ROOMS IN SCOPE
3
COMPARATIVE TTLS
100
FULL CHAINS
n=100
GOLD STANDARD
Open hospital viewer → Case Study B · VRF + Ducted Ventilation

Pohang Incubating Center

Containment-first + coverage-gated VLM exceptions: hybrid ontology with per-triple provenance across 597 rooms and 415 indoor units.
597
ROOMS
415
INDOOR UNITS
—
ROOM COVERAGE
4
COMPARATIVE TTLS
Open Pohang viewer →