publications

2026

1. arXiv

   

   UnityMAS-O: A General RL Optimization Framework for LLM-Based Multi-Agent Systems

   Yiqun Chen, Wei Yang, Erhan Zhang, and 14 more authors

   arXiv preprint arXiv:2605.26646, 2026

   Bib PDF Code

   @article{chen2026unitymasogeneralrloptimization,
     title = {UnityMAS-O: A General RL Optimization Framework for LLM-Based Multi-Agent Systems},
     author = {Chen, Yiqun and Yang, Wei and Zhang, Erhan and Wang, Shijie and Liu, Qi and Niu, Zechun and Zhang, Bin and Li, Haitao and Li, Rui and Yan, Lingyong and Feng, Jinyuan and Qi, Biqing and Wei, Xiaochi and Gao, Yan and Wu, Yi and Hu, Yao and Mao, Jiaxin},
     journal = {arXiv preprint arXiv:2605.26646},
     year = {2026},
     url = {https://arxiv.org/abs/2605.26646},
   }

2. arXiv

   

   Tournament-GRPO: Group-Wise Tournament Rewards for Reinforcement Learning in Open-Ended Long-Form Generation

   Zixuan Yang^*, Yiqun Chen^*, Wei Yang, and 7 more authors

   arXiv preprint arXiv:2605.26958, 2026

   Bib PDF Code

   @article{yang2026tournamentgrpogroupwise,
     title = {Tournament-GRPO: Group-Wise Tournament Rewards for Reinforcement Learning in Open-Ended Long-Form Generation},
     author = {Yang, Zixuan and Chen, Yiqun and Yang, Wei and Zhang, Erhan and Shen, Zihan and Wei, Xiaochi and Gao, Yan and Wu, Yi and Hu, Yao and Mao, Jiaxin},
     journal = {arXiv preprint arXiv:2605.26958},
     year = {2026},
     url = {https://arxiv.org/abs/2605.26958},
   }

3. arXiv

   

   PRAISE: Prefix-Based Rollout Reuse in Agentic Search Training

   Erhan Zhang^*, Yiqun Chen^*, Zechun Niu, and 6 more authors

   arXiv:2604.03675, 2026

   Bib PDF Code

   @article{PRAISE,
     title = {PRAISE: Prefix-Based Rollout Reuse in Agentic Search Training},
     author = {Zhang, Erhan and Chen, Yiqun and Niu, Zechun and Yang, Wei and Wei, Xiaochi and Gao, Yan and Wu, Yi and Hu, Yao and Mao, Jiaxin},
     journal = {arXiv:2604.03675},
     year = {2026},
     url = {https://arxiv.org/pdf/2604.03675},
   }

4. ICML 2026

   

   JADE: Bridging the Strategic-Operational Gap in Dynamic Agentic RAG

   Yiqun Chen, Erhan Zhang, Tianyi Hu, and 8 more authors

   arXiv preprint arXiv:2601.21916, 2026

   Bib PDF Code

   @article{chen2026jadebridgingstrategicoperationalgap,
     title = {JADE: Bridging the Strategic-Operational Gap in Dynamic Agentic RAG},
     author = {Chen, Yiqun and Zhang, Erhan and Hu, Tianyi and Wang, Shijie and Yang, Zixuan and Zhong, Meizhi and Wei, Xiaochi and Gao, Yan and Wu, Yi and Hu, Yao and Mao, Jiaxin},
     journal = {arXiv preprint arXiv:2601.21916},
     year = {2026},
     url = {https://arxiv.org/abs/2601.21916},
   }

5. arXiv

   

   Self-Compression of Chain-of-Thought via Multi-Agent Reinforcement Learning

   Yiqun Chen, Jinyuan Feng, Wei Yang, and 9 more authors

   arXiv preprint arXiv:2601.21919, 2026

   Bib PDF Code

   @article{chen2026selfcompressionchainofthoughtmultiagentreinforcement,
     title = {Self-Compression of Chain-of-Thought via Multi-Agent Reinforcement Learning},
     author = {Chen, Yiqun and Feng, Jinyuan and Yang, Wei and Zhong, Meizhi and Shi, Zhengliang and Li, Rui and Wei, Xiaochi and Gao, Yan and Wu, Yi and Hu, Yao and Pu, Zhiqiang and Mao, Jiaxin},
     journal = {arXiv preprint arXiv:2601.21919},
     year = {2026},
     url = {https://arxiv.org/abs/2601.21919},
   }

6. arXiv

   

   Beyond Monolithic Architectures: A Multi-Agent Search and Knowledge Optimization Framework for Agentic Search

   Yiqun Chen, Lingyong Yan, Zixuan Yang, and 5 more authors

   arXiv preprint arXiv:2601.04703, 2026

   Bib PDF Code

   @article{chen2026monolithicarchitecturesmultiagentsearch,
     title = {Beyond Monolithic Architectures: A Multi-Agent Search and Knowledge Optimization Framework for Agentic Search},
     author = {Chen, Yiqun and Yan, Lingyong and Yang, Zixuan and Zhang, Erhan and Zhao, Jiashu and Wang, Shuaiqiang and Yin, Dawei and Mao, Jiaxin},
     journal = {arXiv preprint arXiv:2601.04703},
     year = {2026},
     url = {https://arxiv.org/abs/2601.04703},
   }

2025

1. arXiv

   

   Deep Research: A Systematic Survey

   Zhengliang Shi#, Yiqun Chen#, Haitao Li, and 23 more authors

   arXiv preprint arXiv:2512.02038, 2025

   Bib PDF

   @article{shi2025deep,
     title = {Deep Research: A Systematic Survey},
     author = {Shi#, Zhengliang and Chen#, Yiqun and Li, Haitao and Sun, Weiwei and Ni, Shiyu and Lyu, Yougang and Fan, Run-Ze and Jin, Bowen and Weng, Yixuan and Zhu, Minjun and Xie, Qiujie and Guo, Xinyu and Yang, Qu and Wu, Jiayi and Zhao, Jujia and Tang, Xiaqiang and Ma, Xinbei and Wang, Cunxiang and Mao, Jiaxin and Ai, Qingyao and Huang, Jen-Tse and Wang, Wenxuan and Zhang, Yue and Yang, Yiming and Tu, Zhaopeng and Ren, Zhaochun},
     journal = {arXiv preprint arXiv:2512.02038},
     year = {2025},
     url = {https://arxiv.org/abs/2512.02038},
   }

2. NeurIPS 2025

   

   Improving Retrieval-Augmented Generation through Multi-Agent Reinforcement Learning

   Yiqun Chen, Lingyong Yan, Weiwei Sun, and 6 more authors

   In Advances in Neural Information Processing Systems (NeurIPS), Dec 2025

   Bib PDF Code

   @inproceedings{chen2025improving,
     title = {Improving Retrieval-Augmented Generation through Multi-Agent Reinforcement Learning},
     author = {Chen, Yiqun and Yan, Lingyong and Sun, Weiwei and Ma, Xinyu and Zhang, Yi and Wang, Shuaiqiang and Yin, Dawei and Yang, Yiming and Mao, Jiaxin},
     booktitle = {Advances in Neural Information Processing Systems (NeurIPS)},
     year = {2025},
     month = dec,
     url = {https://arxiv.org/abs/2501.15228},
   }

3. NeurIPS 2025

   

   Structured Spectral Reasoning for Frequency-Adaptive Multimodal Recommendation

   Wei Yang^*, Rui Zhong^*, Yiqun Chen^*, and 2 more authors

   In Advances in Neural Information Processing Systems (NeurIPS), Dec 2025

   Bib PDF

   @inproceedings{yang2025structured,
     title = {Structured Spectral Reasoning for Frequency-Adaptive Multimodal Recommendation},
     author = {Yang, Wei and Zhong, Rui and Chen, Yiqun and Lu, Chi and Jiang, Peng},
     booktitle = {Advances in Neural Information Processing Systems (NeurIPS)},
     year = {2025},
     month = dec,
     url = {https://arxiv.org/abs/2512.01372},
   }

4. arXiv

   

   MAO-ARAG: Multi-Agent Orchestration for Adaptive Retrieval-Augmented Generation

   Yiqun Chen, Erhan Zhang, Lingyong Yan, and 4 more authors

   arXiv preprint arXiv:2508.01005, Dec 2025

   Bib PDF Code

   @article{chen2025mao,
     title = {MAO-ARAG: Multi-Agent Orchestration for Adaptive Retrieval-Augmented Generation},
     author = {Chen, Yiqun and Zhang, Erhan and Yan, Lingyong and Wang, Shuaiqiang and Huang, Jizhou and Yin, Dawei and Mao, Jiaxin},
     journal = {arXiv preprint arXiv:2508.01005},
     year = {2025},
     url = {https://arxiv.org/abs/2508.01005},
   }

5. Baidu

   

   Towards AI Search Paradigm (Technical Report of Baidu AI Search)

   Yuchen Li, Hengyi Cai, Rui Kong, and 18 more authors

   arXiv preprint arXiv:2506.17188, Dec 2025

   Bib PDF

   @article{li2025towards,
     title = {Towards AI Search Paradigm (Technical Report of Baidu AI Search)},
     author = {Li, Yuchen and Cai, Hengyi and Kong, Rui and Chen, Xinran and Chen, Jiamin and Yang, Jun and Zhang, Haojie and Li, Jiayi and Wu, Jiayi and Chen, Yiqun and Qu, Changle and Kong, Keyi and Ye, Wenwen and Su, Lixin and Ma, Xinyu and Xia, Long and Shi, Daiting and Zhao, Jiashu and Xiong, Haoyi and Wang, Shuaiqiang and Yin, Dawei},
     journal = {arXiv preprint arXiv:2506.17188},
     year = {2025},
     url = {https://arxiv.org/abs/2506.17188},
   }

6. WWW 2025

   

   MA4DIV: Multi-Agent Reinforcement Learning for Search Result Diversification (Oral Presentation (Rate:  6%))

   Yiqun Chen, Jiaxin Mao, Yi Zhang, and 7 more authors

   In Proceedings of the ACM on Web Conference (WWW), Dec 2025

   Bib PDF Code

   @inproceedings{chen2025ma4div,
     title = {MA4DIV: Multi-Agent Reinforcement Learning for Search Result Diversification (Oral Presentation (Rate: ~6%))},
     author = {Chen, Yiqun and Mao, Jiaxin and Zhang, Yi and Ma, Dehong and Xia, Long and Fan, Jun and Shi, Daiting and Cheng, Zhicong and Gu, Simiu and Yin, Dawei},
     booktitle = {Proceedings of the ACM on Web Conference (WWW)},
     year = {2025},
     pages = {1703--1715},
     url = {https://dl.acm.org/doi/pdf/10.1145/3696410.3714862},
   }

7. WWW 2025

   

   TourRank: Utilizing Large Language Models for Documents Ranking with a Tournament-Inspired Strategy (Oral Presentation (Rate:  6%))

   Yiqun Chen, Qi Liu, Yi Zhang, and 6 more authors

   In Proceedings of the ACM on Web Conference (WWW), Dec 2025

   Bib PDF Code

   @inproceedings{chen2025tourrank,
     title = {TourRank: Utilizing Large Language Models for Documents Ranking with a Tournament-Inspired Strategy (Oral Presentation (Rate: ~6%))},
     author = {Chen, Yiqun and Liu, Qi and Zhang, Yi and Sun, Weiwei and Ma, Xinyu and Yang, Wei and Shi, Daiting and Mao, Jiaxin and Yin, Dawei},
     booktitle = {Proceedings of the ACM on Web Conference (WWW)},
     year = {2025},
     pages = {1638--1652},
     url = {https://dl.acm.org/doi/pdf/10.1145/3696410.3714863},
   }

2024

1. IJCAI 2024

   

   PTDE: Personalized Training with Distilled Execution for Multi-Agent Reinforcement Learning

   Yiqun Chen, Hangyu Mao, Jiaxin Mao, and 5 more authors

   In International Joint Conference on Artificial Intelligence (IJCAI), Dec 2024

   Bib PDF Code

   @inproceedings{chen2024ptde,
     title = {PTDE: Personalized Training with Distilled Execution for Multi-Agent Reinforcement Learning},
     author = {Chen, Yiqun and Mao, Hangyu and Mao, Jiaxin and Wu, Shiguang and Zhang, Tianle and Zhang, Bin and Yang, Wei and Chang, Hongxing},
     booktitle = {International Joint Conference on Artificial Intelligence (IJCAI)},
     year = {2024},
     url = {https://arxiv.org/abs/2210.08872},
   }

2022

1. IJCNN 2022

   

   Commander-Soldiers Reinforcement Learning for Cooperative Multi-Agent Systems

   Yiqun Chen, Wei Yang, Tianle Zhang, and 2 more authors

   In International Joint Conference on Neural Networks (IJCNN), Dec 2022

   Bib

   @inproceedings{chen2022commander,
     title = {Commander-Soldiers Reinforcement Learning for Cooperative Multi-Agent Systems},
     author = {Chen, Yiqun and Yang, Wei and Zhang, Tianle and Wu, Shiguang and Chang, Hongxing},
     booktitle = {International Joint Conference on Neural Networks (IJCNN)},
     year = {2022},
     pages = {1--7},
   }

2. ICONIP 2022

   Multi-Agent Hyper-Attention Policy Optimization

   Bin Zhang^*, Zhiwei Xu^*, Yiqun Chen^*, and 4 more authors

   In International Conference on Neural Information Processing (ICONIP), Dec 2022

   Bib

   @inproceedings{zhang2022multi,
     title = {Multi-Agent Hyper-Attention Policy Optimization},
     author = {Zhang, Bin and Xu, Zhiwei and Chen, Yiqun and Li, Dapeng and Bai, Yunpeng and Fan, Guoliang and Li, Lijuan},
     booktitle = {International Conference on Neural Information Processing (ICONIP)},
     pages = {76--87},
     year = {2022},
     organization = {Springer},
   }