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1. BTP_RAG_demo BTP_RAG_demo Public

   Grounded RAG over SAP BTP docs on SAP HANA Cloud Vector — hybrid retrieval (dense ⊕ BM25 → RRF), cited answers, calibrated refusal gate, adversarial eval harness with LLM-as-judge wired into CI

   Python

2. AI-caries AI-caries Public

   Vision-language model (fine-tuned Qwen2-VL) for caries lesion detection — outperforms GPT-4o and Gemini 2.5 Flash on a clinical benchmark. Joint with Splunk AI / Cisco and the National Clinical Res…

   Jupyter Notebook

3. hybrid-rl-companion hybrid-rl-companion Public

   Companion implementation for Hybrid RL Framework for Mixed-Variable Problems (Zhai, Hu, Chen 2024 — arXiv 2405.20500). Gradient Bandit + Bayesian Optimization, with comparison to baselines.

   Python

4. qianli-hu qianli-hu Public

   Profile README