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Welcome to Professor Xu Wei's Research Group at the Institute for Interdisciplinary Information Sciences (IIIS), Tsinghua University!

We focus on secure and efficient AI applications and are committed to exploring and addressing challenges in AI security, privacy protection, and large-scale distributed systems. Our research areas are extensive, including but not limited to:

1. **Secure and Robust AI Applications**: We design and develop secure and reliable practical AI applications, deploying them in real-world scenarios such as healthcare institutions to promote the implementation of AI technologies.

2. **AI Security**: We investigate security issues faced by current large models, including but not limited to jailbreaking tools, factual errors, hallucinations in large models, and privacy concerns.

3. **Privacy-Preserving Applications**: We combine techniques such as secure multi-party computation and federated learning to design large-scale, efficient privacy-preserving applications.

4. **High-Performance Distributed LLM Training and Inference**: We strive to optimize the training and inference processes of large language models. Through innovative distributed architectures and efficient algorithm design, we significantly enhance performance and scalability.

We warmly welcome students and researchers interested in the above areas to join us in advancing technological progress and meeting future challenges!