CV

General Information

Full Name Yiming DU
Email ydu@se.cuhk.edu.hk
Website https://elvin-yiming-du.github.io/
Phone (852) 54284864
Address 615 ERB, CUHK, Shatin, Hong Kong
Languages Chinese, English

Education

  • 2022 – 2026
    (expected)
    PhD
    The Chinese University of Hong Kong, Hong Kong
    • Research focus: memory-augmented dialogue systems, long-term memory modeling.
    • Core courses: NLP, Machine Learning Theory.
  • 2019 – 2022
    M.Sc. in Computer Science and Technology
    Southeast University, Nanjing, China
    • Graduated Top 10%.
    • Courses: Machine Learning, Deep Learning, NLP.
  • 2015 – 2019
    B.Eng. in Software Engineering
    Southeast University, Nanjing, China
    • Graduated Top 30%.
    • Courses: Data Structure, OS, Algorithm Design.

Experience

  • 2025 – Present
    Visiting Researcher
    University of Edinburgh
    • Memory in LLM-Agent, Temporal Reasoning.
  • 2024 – 2025
    Research Intern
    SenseTime
    • CoT Reasoning Data Generation.
    • Model Editing
  • 2022 – 2023
    Visiting Researcher
    Huawei Noah’s Ark Lab
    • RAG
    • Personal Dialogue System
    • Long-term Memory
  • 2021 – 2022
    Research Assistant
    City University of Hong Kong
    • Bioinformatics-Gene Analysis.
  • 2021
    Visiting Researcher
    Imperial College London
    • Sentiment Classification
  • 2018 – 2019
    Intern
    National Instruments
    • Software Refactoring

Projects

  • 2023 – 2025
    Human-like Memory Integration for Dialogue System
    • Designed LLM-based RAG memory architecture for dialogue system.
  • 2022 – 2024
    Multi-modal Summarization System
    • Developed audio-image-text fusion summarizer with LLMs.
  • 2023 – 2024
    Dialogue Memory Patent (Huawei)
    • Co-inventor of memory storage & retrieval system.

Honors and Awards

  • 2024
    • Overseas Research Attachment Programme (ORAP), CUHK
  • 2024
    • ACL-SIGHAN Best Paper Award
  • 2022
    • Excellent Scholarship, Southeast University
  • 2022
    • 1st Place, Jiangsu Postgraduate Mathematical Modeling Contest
  • 2018
    • 1st Place, Chinese Undergraduate Computer Design Contest
    • Meritorious Winner, Mathematical Contest in Modeling (MCM)

Publications

  • 2025
    Rethinking Memory in AI: Taxonomy, Operations, Topics, and Future Directions
    • arXiv. A comprehensive survey on memory in AI.
  • 2025
    Bridging the Long-Term Gap: A Memory-Active Policy for Multi-Session Task-Oriented Dialogue
    • ARR. Novel memory-active policy for task-oriented dialogue.
  • 2025
    TWiNS: An Implicit Noise Suppression Approach for Multi-Turn Dialogue Fine-Tuning
    • ARR. Proposes turn-weighted noise suppression.
  • 2025
    A New Formula for Sticker Retrieval: Reply with Stickers in Multi-Modal and Multi-Session Conversation
    • AAAI. Multi-modal sticker-based reply system.
  • 2024
    PerLTQA: A Personal Long-Term Memory Dataset for Memory Classification, Retrieval, and Synthesis in Question Answering
    • ACL-SIGHAN. Best Paper.
  • 2025
    Flexibly Utilize Memory for Long-Term Conversation via a Fragment-then-Compose Framework
    • ARR. Fragment-then-compose framework for long-term conversation.
  • 2025
    Fine-tuning after Prompting: an Explainable Way for Classification
    • ARR. Explainable classification approach.
  • 2025
    A Comprehensive Study of Multilingual Confidence Estimation on Large Language Models
    • ACL 2025 Findings. Multilingual confidence estimation study.
  • 2024
    M3SUM: A Novel Unsupervised Language-guided Video Summarization
    • ICASSP 2024. Language-guided video summarization.
  • 2025
    A Survey of the Evolution of Language Model-Based Dialogue Systems
    • Under review. Survey on language model-based dialogue systems.
  • 2023
    UniTRec: A Unified Text-to-Text Transformer and Joint Contrastive
    • ACL 2023. Unified text-to-text transformer for recommendation.
  • 2025
    DPCIPI: A pre-trained deep learning model for predicting cross-immunity between drifted strains of Influenza A/H3N2
    • Journal of Automation and Intelligence 2025. Deep learning model for influenza cross-immunity prediction.

Academic Interests

  • Memory in AI
    • Long-term & parametric memory
    • Reinforcement Learning for Agent
    • Temporal reasoning
    • Personalization in dialogue systems

Services

  • Reviewer: ACL, EMNLP, IJCAI, KBS, etc.

Other Interests

  • Hobbies: Hiking, Tennis, Swimming