publications

2026

1. ICML

   WebWorld: A Large-Scale World Model for Web Agent Training

   Zikai Xiao, Jianhong Tu, Chuhang Zou, and 7 more authors

   In Proceedings of the International Conference on Machine Learning (ICML), 2026

   arXiv Bib Code Website

   @inproceedings{xiao2026webworld,
     title = {WebWorld: A Large-Scale World Model for Web Agent Training},
     author = {Xiao, Zikai and Tu, Jianhong and Zou, Chuhang and Zuo, Yuxin and Li, Zhi and Wang, Peng and Yu, Bowen and Huang, Fei and Lin, Junyang and Liu, Zuozhu},
     booktitle = {Proceedings of the International Conference on Machine Learning (ICML)},
     year = {2026},
   }

2. arXiv

   Qwen-AgentWorld: Language World Models for General Agents

   Yuxin Zuo, Zikai Xiao, Li Sheng, and 3 more authors

   arXiv preprint arXiv:2606.24597, 2026

   arXiv Bib Blog Code Website

   @article{zuo2026qwenagentworld,
     title = {Qwen-AgentWorld: Language World Models for General Agents},
     author = {Zuo, Yuxin and Xiao, Zikai and Sheng, Li and Huang, Fei and Tu, Jianhong and others},
     journal = {arXiv preprint arXiv:2606.24597},
     year = {2026},
   }

2025

1. EMNLP

   LongWeave: A Long-Form Generation Benchmark Bridging Real-World Relevance and Verifiability

   Zikai Xiao, Fei Huang, Jianhong Tu, and 7 more authors

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

   Bib HTML Code

   @inproceedings{xiao2025longweave,
     title = {LongWeave: A Long-Form Generation Benchmark Bridging Real-World Relevance and Verifiability},
     author = {Xiao, Zikai and Huang, Fei and Tu, Jianhong and Wei, Jianhui and Ma, Wen and Zhou, Yuxuan and Wu, Jian and Yu, Bowen and Liu, Zuozhu and Lin, Junyang},
     booktitle = {Findings of the Association for Computational Linguistics: EMNLP},
     year = {2025},
   }

2. ACL

   Mitigating Posterior Salience Attenuation in Long-Context LLMs with Positional Contrastive Decoding

   Zikai Xiao, Ziyang Wang, Wen Ma, and 5 more authors

   In Proceedings of the Annual Meeting of the Association for Computational Linguistics (ACL), 2025

   Bib HTML Code

   @inproceedings{xiao2025pcd,
     title = {Mitigating Posterior Salience Attenuation in Long-Context LLMs with Positional Contrastive Decoding},
     author = {Xiao, Zikai and Wang, Ziyang and Ma, Wen and Zhang, Yan and Shen, Wei and Yan, Wang and Gong, Luqi and Liu, Zuozhu},
     booktitle = {Proceedings of the Annual Meeting of the Association for Computational Linguistics (ACL)},
     year = {2025},
   }

3. NeurIPS-W

   Loong: Synthesize Long Chain-of-Thoughts at Scale through Verifiers

   Xingyue Huang, Gregor Franke, Ziyi Yang, and 2 more authors

   In NeurIPS 2025 Workshop, 2025

   arXiv Bib

   @inproceedings{huang2025loong,
     title = {Loong: Synthesize Long Chain-of-Thoughts at Scale through Verifiers},
     author = {Huang, Xingyue and Franke, Gregor and Yang, Ziyi and Xiao, Zikai and others},
     booktitle = {NeurIPS 2025 Workshop},
     year = {2025},
   }

4. ICLR-Blog

   Why RoPE Struggles to Maintain Long-Term Decay in Long Sequences?

   Wei Shen, Chuheng Yin, Yang Liu, and 3 more authors

   In ICLR 2025 Blog Track, 2025

   Bib HTML

   @inproceedings{shen2025rope,
     title = {Why RoPE Struggles to Maintain Long-Term Decay in Long Sequences?},
     author = {Shen, Wei and Yin, Chuheng and Liu, Yang and Xiao, Zikai and He, Xin and Wang, Yan},
     booktitle = {ICLR 2025 Blog Track},
     year = {2025},
   }

2024

1. ICLR

   FedLoGe: Joint Local and Generic Federated Learning under Long-tailed Data

   Zikai Xiao, Zihan Chen, Liyinglan Liu, and 6 more authors

   In Proceedings of the International Conference on Learning Representations (ICLR), 2024

   arXiv Bib Code

   @inproceedings{xiao2024fedloge,
     title = {FedLoGe: Joint Local and Generic Federated Learning under Long-tailed Data},
     author = {Xiao, Zikai and Chen, Zihan and Liu, Liyinglan and Feng, Yang and Wu, Jian and Liu, Wanlu and Zhou, Joey Tianyi and Yang, Howard Hao and Liu, Zuozhu},
     booktitle = {Proceedings of the International Conference on Learning Representations (ICLR)},
     year = {2024},
   }

2023

1. NeurIPS

   Fed-GraB: Federated Long-tailed Learning with Self-Adjusting Gradient Balancer

   Zikai Xiao, Zihan Chen, Songshang Liu, and 7 more authors

   In Advances in Neural Information Processing Systems (NeurIPS), 2023

   Bib HTML Code

   @inproceedings{xiao2023fedgrab,
     title = {Fed-GraB: Federated Long-tailed Learning with Self-Adjusting Gradient Balancer},
     author = {Xiao, Zikai and Chen, Zihan and Liu, Songshang and Wang, Hualiang and Feng, Yang and Hao, Jin and Zhou, Joey Tianyi and Wu, Jian and Yang, Howard Hao and Liu, Zuozhu},
     booktitle = {Advances in Neural Information Processing Systems (NeurIPS)},
     year = {2023},
   }