HHD Real Estate AI Brief

Knowledge graph spans 251 building engineering standards, 171,652 nodes, and 310,914 edges.

Best improvement over baseline large language models (LLMs) reaches 74.01% on expert evaluation.

Rule-LLM hybrid pipeline extracts multimodal knowledge including diagrams and clause hierarchies.

Larix maps a 16-lens real estate analysis framework to eight specialist LLM agents.

Post-training Qwen3.5-9B with GRPO raises judgment aggregate by 14.2 points on development split.

Gains transfer to unseen firms (+15.2 points overall) and unseen regulatory wrappers (+4.3 points).

CUBE 5.0 lifts modularity rate from 30% to 90% across power, cooling, security, management, and fire systems.

100-day delivery compares to 6–12 months domestically and 12–18 months in the US.

Construction cost reduction cited at 10% versus conventional builds.