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How ONESTRUCTION built the Ishigaki-IDS foundation model with AWS GenAIIC

AWS Machine Learning Blog · Aug 11, 2026 · Engineering Insights

ONESTRUCTION built a BIM foundation model using synthetic data and RLVR to overcome niche data scarcity.

ONESTRUCTION and AWS GenAIIC built Ishigaki-IDS, a foundation model for BIM construction workflows in Japan, using a three-stage pipeline (CPT, SFT, RLVR) and synthetic data generation to bypass the near-total absence of public IDS training data. The case study demonstrates a reusable pattern for domain-specializing LLMs in data-scarce industries. While technically solid, it is a vertical niche application rather than a broad AI industry signal.

domain-adaptation synthetic-data RLVR foundation-models construction-tech AWS data-scarcity

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