I’m currently a first-year CS Ph.D. student at Nanyang Technological University (NTU).
Previously, I earned my B.Eng. from Tianjin University and M.Eng. from Tsinghua University.
My early research primarily focused on Graph Data Mining, and you can find some of my representative works here:
📂 Early Research Projects
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⭐️ TFE-GNN (WWW 2023)
TFE-GNN: A Temporal Fusion Encoder Using Graph Neural Networks for Fine-grained Encrypted Traffic Classification -
⭐️ TGSL (CIKM 2023)
Time-aware Graph Structure Learning via Sequence Prediction on Temporal Graphs -
⭐️ MH-Net (AAAI 2025)
Revolutionizing Encrypted Traffic Classification with MH-Net: A Multi-View Heterogeneous Graph Model
🔍 Currently, I’m focusing on LLM/Agent Memory & Routers, and their synergy with graphs. Some of my recent works include:
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⭐️ Graph of Records (ACL 2025 Main)
Graph of Records: Boosting Retrieval Augmented Generation for Long-context Summarization with Graphs -
⭐️ Router-R1 (NeurIPS 2025)
Router-R1: Teaching LLMs Multi-Round Routing and Aggregation via Reinforcement Learning -
⭐️ LLMRouter
LLMRouter: An Open-Source Library for LLM Routing -
⭐️ MemSkill
MemSkill: Learning and Evolving Memory Skills for Self-Evolving Agents
🔗 You can find more about me on my Homepage.
📬 Feel free to reach out via wazhz14@gmail.com — I'm always open to discussion and collaboration!