Profile
I'm Zhizhao Liu, holding a bachelor's degree in engineering from Northeastern University, currently pursuing a PhD in Computer Science and Technology at the University of National Defense Technology (NUDT).
My research focuses on natural language processing, particularly in text generation and hallucination problems. I also possess cross-disciplinary experience in mechanical engineering and computational mathematics.
📬 Feel free to contact me via email for collaboration or discussion!
Papers
WWW (CCF A) accepted paper proposing a novel plug-and-play framework for enhanced uncertainty estimation in LLM-based QA systems.
Key Contributions:
- Developed scenario-specific sampling for semantic-preserving query paraphrasing
- Designed factor analysis model to disentangle uncertainty factors
- Achieved 4.3-16.8% AUROC improvement over baselines
- Requires no additional training or model modifications
Projects
An open-source tool for efficient retrieval of arXiv documents.
Example usage:
This open community serves undergraduate students preparing for recommendation-based exemption (推免) to pursue postgraduate degrees in computer science or electronics-related fields, providing free assistance for issues encountered during the recommendation exemption process.
Join us on QQ: 626333094
💡 Community features:
- Peer mentoring program
- Resource sharing platform
- Anxiety-relief workshops
Intelligent Meme Generation System - A Deep Learning-Based Text-to-Meme Platform
📌 Notes:
- Dataset must be manually downloaded from Zhihu
- Commercial use is strictly prohibited
- Output requires manual review
📸 Sample Output:
🔞 Disclaimer:
- Purely academic research project
- Does not hold copyright of original dataset
- Output content does not represent developer's views