ONESTRUCTION/Ishigaki-AEC-9B
ONESTRUCTION's Ishigaki-AEC-9B is a 9 billion parameter language model, fine-tuned from Qwen3.5-9B, specifically designed for question answering about Japanese construction specifications. It excels at providing answers in Japanese and citing supporting clauses from public construction standards and laws. This model is optimized for use cases involving architectural, civil engineering, electrical, and mechanical works within the Japanese regulatory context, offering a 32768 token context length.
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Ishigaki-AEC-9B: Japanese Construction QA Model
Ishigaki-AEC-9B is a specialized 9 billion parameter language model developed by ONESTRUCTION. It is built upon Qwen3.5-9B through supervised fine-tuning (SFT) using LoRA, focusing on question answering related to Japanese construction specifications.
Key Capabilities and Features
- Domain-Specific Expertise: Optimized for Japanese architectural, civil engineering, electrical, and mechanical works.
- Clause Citation: Designed to not only answer questions but also cite relevant clauses from official specifications and laws.
- Comprehensive Data Sources: Trained on Japanese public construction specifications from the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) and legal texts from e-Gov.
- Performance Improvement: Achieved a score of 56.07% on an internal 981-question benchmark, a 12.75 percentage point improvement over the base Qwen3.5-9B model's 43.32%.
- Japanese Language Support: Exclusively supports Japanese for queries and responses.
Ideal Use Cases
This model is particularly well-suited for developers and professionals who need to:
- Quickly find answers to questions about Japanese construction requirements.
- Clarify specified procedures within construction projects.
- Identify and reference supporting clauses during specification review processes.
Users should always verify the model's answers and cited clauses against the specific edition of the applicable specification for their project.