Publications

2026

1. 

   MEMORY-T1: Reinforcement Learning for Temporal Reasoning in Multi-Session Agents

   Yiming Du, Baojun Wang, Yifan Xiang, and 11 more authors

   In International Conference on Learning Representations (ICLR), 2026

   Bib

   @inproceedings{du2026memoryt1,
     title = {MEMORY-T1: Reinforcement Learning for Temporal Reasoning in Multi-Session Agents},
     author = {Du, Yiming and Wang, Baojun and Xiang, Yifan and Wang, Zhaowei and Huang, Wenyu and Xue, Boyang and Liang, Bin and Zeng, Xingshan and Bai, Haoli and Mi, Fei and Shang, Lifeng and Pan, Jeff Z and Jiang, Yuxin and Wong, Kam-Fai},
     booktitle = {International Conference on Learning Representations (ICLR)},
     year = {2026},
   }

2. 

   MemGuide: Intent-Driven Memory Selection for Goal-Oriented Multi-Session LLM Agents

   Yiming Du, Bingbing Wang, Yang He, and 7 more authors

   In Proceedings of the AAAI Conference on Artificial Intelligence, 2026

   Accepted, Oral. Co-first author with Bingbing Wang.

   Bib

   @inproceedings{du2026memguide,
     title = {MemGuide: Intent-Driven Memory Selection for Goal-Oriented Multi-Session LLM Agents},
     author = {Du, Yiming and Wang, Bingbing and He, Yang and Liang, Bin and Wang, Baojun and Li, Zhongyang and Gui, Lin and Pan, Jeff Z and Xu, Ruifeng and Wong, Kam-Fai},
     booktitle = {Proceedings of the AAAI Conference on Artificial Intelligence},
     year = {2026},
     note = {Accepted, Oral. Co-first author with Bingbing Wang.},
   }

2025

1. 

   ReSURE: Regularizing Supervision Unreliability for Multi-turn Dialogue Fine-tuning

   Yiming Du, Yifan Xiang, Bin Liang, and 3 more authors

   In Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing (EMNLP), 2025

   Bib

   @inproceedings{du2025resure,
     title = {ReSURE: Regularizing Supervision Unreliability for Multi-turn Dialogue Fine-tuning},
     author = {Du, Yiming and Xiang, Yifan and Liang, Bin and Lin, Dahua and Wong, Kam-Fai and Tan, Fei},
     booktitle = {Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing (EMNLP)},
     year = {2025},
   }

2. 

   Flexibly Utilize Memory for Long-Term Conversation via a Fragment-then-Compose Framework

   Cai Ke, Yiming Du, Bin Liang, and 8 more authors

   In Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing (EMNLP), 2025

   Accepted, Oral.

   Bib

   @inproceedings{ke2025flexibly,
     title = {Flexibly Utilize Memory for Long-Term Conversation via a Fragment-then-Compose Framework},
     author = {Ke, Cai and Du, Yiming and Liang, Bin and Yifan, Xiang and Gui, Lin and Li, Zhongyang and Wang, Baojun and Yu, Yue and Wang, Hui and Wong, Kam-Fai and Xu, Ruifeng},
     booktitle = {Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing (EMNLP)},
     year = {2025},
     note = {Accepted, Oral.},
   }

3. 

   Rethinking Memory in AI: Taxonomy, Operations, Topics, and Future Directions

   Yiming Du, Wenyu Huang, Danna Zheng, and 5 more authors

   arXiv preprint arXiv:2505.00675, 2025

   Bib

   @article{du2025rethinking,
     title = {Rethinking Memory in AI: Taxonomy, Operations, Topics, and Future Directions},
     author = {Du, Yiming and Huang, Wenyu and Zheng, Danna and Wang, Zhaowei and Montella, Sebastien and Lapata, Mirella and Wong, Kam-Fai and Pan, Jeff Z},
     journal = {arXiv preprint arXiv:2505.00675},
     year = {2025},
   }

4. 

   MemLens: Benchmarking Multimodal Long-Term Memory in Large Vision-Language Models

   Xiyu Ren, Zhaowei Wang, Yiming Du, and 11 more authors

   arXiv preprint arXiv:2605.14906, 2025

   Bib

   @article{ren2025memlens,
     title = {MemLens: Benchmarking Multimodal Long-Term Memory in Large Vision-Language Models},
     author = {Ren, Xiyu and Wang, Zhaowei and Du, Yiming and Xie, Zhongwei and Liu, Chi and Yang, Xinlin and Feng, Haoyue and Pan, Wenjun and Zheng, Tianshi and Xu, Baixuan and Li, Zhengnan and Song, Yangqiu and Wong, Ginny and See, Simon},
     journal = {arXiv preprint arXiv:2605.14906},
     year = {2025},
   }

5. 

   A New Formula for Sticker Retrieval: Reply with Stickers in Multi-Modal and Multi-Session Conversation

   Bingbing Wang, Yiming Du, Bin Liang, and 4 more authors

   In Proceedings of the AAAI Conference on Artificial Intelligence, 2025

   Co-first author.

   Bib

   @inproceedings{wang2025new,
     title = {A New Formula for Sticker Retrieval: Reply with Stickers in Multi-Modal and Multi-Session Conversation},
     author = {Wang, Bingbing and Du, Yiming and Liang, Bin and Bai, Zhixin and Wang, Baojun and Xu, Ruifeng and Wong, Kam-Fai},
     booktitle = {Proceedings of the AAAI Conference on Artificial Intelligence},
     volume = {39},
     number = {24},
     pages = {25327--25335},
     year = {2025},
     note = {Co-first author.},
   }

6. 

   A Comprehensive Study of Multilingual Confidence Estimation on Large Language Models

   Boyang Xue, Hongru Wang, Rui Wang, and 4 more authors

   In Findings of the Association for Computational Linguistics: ACL 2025, 2025

   Bib

   @inproceedings{xue2025multilingual,
     title = {A Comprehensive Study of Multilingual Confidence Estimation on Large Language Models},
     author = {Xue, Boyang and Wang, Hongru and Wang, Rui and Wang, Sheng and Wang, Zezhong and Du, Yiming and Wong, Kam-Fai},
     booktitle = {Findings of the Association for Computational Linguistics: ACL 2025},
     year = {2025},
   }

2024

1. 

   PerLTQA: A Personal Long-Term Memory Dataset for Memory Classification, Retrieval, and Fusion in Question Answering

   Yiming Du, Hongru Wang, Zhengyi Zhao, and 5 more authors

   In Proceedings of the 10th SIGHAN Workshop on Chinese Language Processing (SIGHAN-10), 2024

   Best Paper Award.

   Bib

   @inproceedings{du2024perltqa,
     title = {PerLTQA: A Personal Long-Term Memory Dataset for Memory Classification, Retrieval, and Fusion in Question Answering},
     author = {Du, Yiming and Wang, Hongru and Zhao, Zhengyi and Liang, Bin and Wang, Baojun and Zhong, Wanjun and Wang, Zezhong and Wong, Kam-Fai},
     booktitle = {Proceedings of the 10th SIGHAN Workshop on Chinese Language Processing (SIGHAN-10)},
     pages = {152--164},
     year = {2024},
     note = {Best Paper Award.},
   }

2. M3SUM: A Novel Unsupervised Language-Guided Video Summarization

   Hongru Wang, Baohang Zhou, Zhengkun Zhang, and 3 more authors

   In ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2024

   Bib

   @inproceedings{wang2024m3sum,
     title = {M3SUM: A Novel Unsupervised Language-Guided Video Summarization},
     author = {Wang, Hongru and Zhou, Baohang and Zhang, Zhengkun and Du, Yiming and Ho, David and Wong, Kam-Fai},
     booktitle = {ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
     pages = {4140--4144},
     year = {2024},
     organization = {IEEE},
   }

2023

1. A Survey of the Evolution of Language Model-Based Dialogue Systems

   Hongru Wang, Lingzhi Wang, Yiming Du, and 4 more authors

   arXiv preprint arXiv:2311.16789, 2023

   Bib

   @article{wang2023survey,
     title = {A Survey of the Evolution of Language Model-Based Dialogue Systems},
     author = {Wang, Hongru and Wang, Lingzhi and Du, Yiming and Chen, Liang and Zhou, Jingyan and Wang, Yufei and Wong, Kam-Fai},
     journal = {arXiv preprint arXiv:2311.16789},
     year = {2023},
   }

2. UniTRec: A Unified Text-to-Text Transformer and Joint Contrastive Learning Framework for Text-based Recommendation

   Zhiming Mao, Huimin Wang, Yiming Du, and 1 more author

   In Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers), 2023

   Bib

   @inproceedings{mao2023unitrec,
     title = {UniTRec: A Unified Text-to-Text Transformer and Joint Contrastive Learning Framework for Text-based Recommendation},
     author = {Mao, Zhiming and Wang, Huimin and Du, Yiming and Wong, Kam-Fai},
     booktitle = {Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)},
     pages = {1160--1170},
     year = {2023},
   }