I’m Ben Chen (陈犇), the group leader of AI Search Team at Kuaishou Technology. Now I am working on Agentic Search (Mutli-Agent), Generative Recommendation, and MultiModal Retreival.

I have published more than 40 papers at the top international AI conferences, including Search-E1, OneSearch, InfoGain-RAG, and BianQue. I have been awarded the best paper award and outstanding paper award as the first author in the last three years. The total google scholar citations are about 800+.

If you are seeking any form of academic or work collaboration, please feel free to email benchen4395@gmail.com.

📖 Employments

• 2024.06 - Now, Multimodal Retreival and AI Search, Kuaishou Technology.
• 2020.07 - 2024.06, International Commerce Business Unit, Alibaba Group.

🔥 News

• 2026.05:  🎉🎉 Search-E1 is released. A self-distillation driven self-evolution in search-augmented reasoning.
• 2026.03:  🎉🎉 OneSearch-V2 is realsed. Codes and data are public on OneSearch-Family
• 2026.01:  🎉🎉 Two papers are accepted in WWW 2026 Main, The Context-aware Reasoning Generative E-commerce Search.
• 2025.11:  🎉🎉 OneVision and OneSug is released. Accepted in AAAI 2026, and reported by 机器之心.
• 2025.09:  🎉🎉 OneSearch is released, and reported by 机器之心. accepted by ICML’26!

📝 Publications

• Search-E1: Self-Distillation Drives Self-Evolution in Search-Augmented Reasoning, Zihan Liang, Yufei Ma, Ben Chen, Zhipeng Qian, Xuxin Zhang, Huangyu Dai, Lingtao Mao, Arxiv:2605.22511
• Bian Que: An Agentic Framework with Flexible Skill Arrangement for Online System Operations, Bochao Liu, Zhipeng Qian, Yang Zhao, Xinyuan Jiang, Zihan Liang, Yufei Ma, Junpeng Zhuang, Ben Chen, Arxiv:2604.26805
• TIGER-FG: Text-Guided Implicit Fine-Grained Grounding for E-commerce Retrieval, Xinyu Sun, Huangyu Dai, Lingtao Mao, Zexin Zheng, Zihan Liang, Ben Chen, Chenyi Lei, Wenwu Ou, Arxiv:2605.18434
• IG-Search: Step-Level Information Gain Rewards for Search-Augmented Reasoning, Zihan Liang, Yufei Ma, Ben Chen, Zhipeng Qian, Huangyu Dai, Lingtao Mao, Xuxin Zhang, Chenyi Lei, Wenwu Ou, Arxiv:2604.15148

Arxiv 2603

OneSearch-V2: The Latent Reasoning Enhanced Self-distillation Generative Search Framework
Ben Chen, Siyuan Wang, Yufei Ma, Zihan Liang, Xuxin Zhang, Yue Lv, Ying Yang, Huangyu Dai, Lingtao Mao, Tong Zhao, Zhipeng Qian, Xinyu Sun, et. al.

• A latent reasoning enhanced self-distillation generative search framework. Codes and data are public on OneSearch-Family
• It effectively mitigates common issues such as information bubbles and long-tail sparsity, without incurring additional inference costs or serving latency

ICML 2026

OneSearch: A Preliminary Exploration of the Unified End-to-End Generative Framework for E-commerce Search
Ben Chen, Xian Guo, Siyuan Wang, Zihan Liang, Yue Lv, Yufei Ma, Xinlong Xiao, Bowen Xue, Xuxin Zhang, Ying Yang, Huangyu Dai, et. al. (ICML 2026)

• The first industrial-deployed end-2-end generative framework for e-commerce search, with 24.06% gains in MFU and 75.40% reduction in OPEX.
• Various offline and online A/B tests are conducted, verifying its effectiveness and efficiency for the real e-commerce search scenarios.

• OneSug: The Unified End-to-End Generative Framework for E-commerce Query Suggestion, Xian Guo, Ben Chen, Siyuan Wang, Ying Yang, Chenyi Lei, Yuqing Ding, Han Li, AAAI 2025
• CSMCIR: CoT-Enhanced Symmetric Alignment with Memory Bank for Composed Image Retrieval, Zhipeng Qian, Zihan Liang, Yufei Ma, Ben Chen, Huangyu Dai, Yiwei Ma, et. al. Arxiv:2601.03728
• UniDGF: A Unified Detection-to-Generation Framework for Hierarchical Object Visual Recognition, Xinyu Nan, Lingtao Mao, Huangyu Dai, Zexin Zheng, Xinyu Sun, Zihan Liang, Ben Chen, Yuqing Ding, Chenyi Lei, Wenwu Ou, Han Li, Arxiv:2511.15984
• H-PRM: A Pluggable Hotword Pre-Retrieval Module for Various Speech Recognition Systems, Huangyu Dai, Lingtao Mao, Ben Chen, Zihan Wang, Zihan Liang, Ying Han, Chenyi Lei, Han Li, CIKM 2025
• UniECS: Unified Multimodal E-Commerce Search Framework with Gated Cross-modal Fusion, Zihan Liang, Yufei Ma, ZhiPeng Qian, Huangyu Dai, Zihan Wang, Ben Chen, Chenyi Lei, Yuqing Ding, Han Li, CIKM 2025
• InfoGain-RAG: Boosting Retrieval-Augmented Generation through Document Information Gain-based Reranking and Filtering, Zihan Wang, Zihan Liang, Zhou Shao, Yufei Ma, Huangyu Dai, Ben Chen, Lingtao Mao, Chenyi Lei, Yuqing Ding, Han Li, EMNLP 2025
• Towards Context-aware Reasoning-enhanced Generative Searching in E-commerce, Zhiding Liu, Ben Chen, Mingyue Cheng, Enhong Chen, Li Li, Chenyi Lei, Wenwu Ou, Han Li, Kun Gai, WWW 2026
• COINS: SeMantiC Ids Enhanced COld Item RepresentatioN for Click-through Rate Prediction in E-commerce Search, Qihang Zhao, Zhongbo Sun, Xiaoyang Zheng, Xian Guo, Siyuan Wang, Zihan Liang, Mingcan Peng, Ben Chen, WWW 2026
• OneVision: An End-to-End Generative Framework for Multi-view E-commerce Vision Search, Zexin Zheng, Huangyu Dai, Lingtao Mao, Xinyu Sun, Zihan Liang, Ben Chen, Yuqing Ding, Chenyi Lei, Wenwu Ou, Han Li, Kun Gai, Arxiv:2510.05759
• Adaptive User Interest Modeling via Conditioned Denoising Diffusion For Click-Through Rate Prediction, Qihang Zhao, Xiaoyang Zheng, Ben Chen, Zhongbo Sun, Chenyi Lei, ArXiv:2509.19876
• Preference Aware Item Cold-Start Recommendation With Hierarchical Item Alignment, Wenbo Wang, Ben Chen, Bingquan Liu, Lili Shan, Chengjie Sun, Qian Chen, Feiyang Xiao, Jian Guan, TKDE 2025
• LLMs-based machine translation for E-commerce, Qihang Zhao, Xiaoyang Zheng, Ben Chen, Zhongbo Sun, Chenyi Lei, ESWA 2025
• Modula: Mixture of domain-specific and universal lora for multi-task learning, Yufei Ma, Zihan Liang, Huangyu Dai, Ben Chen, Dehong Gao, Zhuoran Ran, et. al. EMNLP 2024
• Self-Renewal Prompt Optimizing with Implicit Reasoning, Zihan Liang, Ben Chen, Zhuoran Ran, Zihan Wang, Huangyu Dai, Yufei Ma, Dehong Gao, Xiaoyan Cai, Libin Yang, EMNLP 2024
• Contrastive Token Learning with Similarity Decay for Repetition Suppression in Machine Translation, Huangyu Dai, Ben Chen, Kaidi Chen, Ying Han, Zihan Liang, Wen Jiang, EMNLP 2024
• Robust Interaction-Based Relevance Modeling for Online e-Commerce Search, Ben Chen, Huangyu Dai, Xiang Ma, Wen Jiang, Wei Ning, ECML-PKDD (Outstand Paper)
• General2specialized llms translation for e-commerce, Kaidi Chen, Ben Chen, Dehong Gao, Huangyu Dai, Wen Jiang, Wei Ning, Shanqing Yu, Libin Yang, Xiaoyan Cai, WWW 2024
• Mutual Information Assisted Graph Convolution Network for Cold-Start Recommendation, Wenbo Wang, Ben Chen, Bingquan Liu, Xinxin Wang, Luwei Yang, Wen Jiang, Wei Ning, Jian Guan, ICASSP 2024
• Preference aware dual contrastive learning for item cold-start recommendation, Wenbo Wang, Bingquan Liu, Lili Shan, Chengjie Sun, Ben Chen, Jian Guan, AAAI 2024
• RCDN–Robust X-Corner Detection Algorithm based on Advanced CNN Model, Ben Chen, Caihua Xiong, Quanlin Li, Zhonghua Wan, Arxiv 2024
• Fashionklip: Enhancing e-commerce image-text retrieval with fashion multi-modal conceptual knowledge graph, Xiaodan Wang, Chengyu Wang, Lei Li, Zhixu Li, Ben Chen, Linbo Jin, Jun Huang, Yanghua Xiao, Ming Gao, ACL 2024
• Unified Vision-Language Representation Modeling for E-Commerce Same-Style Products Retrieval, Ben Chen, Linbo Jin, Xinxin Wang, Dehong Gao, Wen Jiang, Wei Ning, WWW 2023
• Automatic checkerboard detection for robust camera calibration, Ben Chen, Yuyao Liu, Caihua Xiong, ICME 2021
• Leveraging domain agnostic and specific knowledge for acronym disambiguation, Qiwei Zhong, Guanxiong Zeng, Danqing Zhu, Yang Zhang, Wangli Lin, Ben Chen, Jiayu Tang, AAAI 2021
• LNSMM: Eye gaze estimation with local network share multiview multitask, Yong Huang, Ben Chen, Daiming Qu, ArXiv:2101.07116
• Transformer-based language model fine-tuning methods for COVID-19 fake news detection, Ben Chen, Bin Chen, Dehong Gao, Qijin Chen, Chengfu Huo, Xiaonan Meng, Weijun Ren, Yang Zhou, AAAI 2021 (Share Task Best Paper)
• Kaleido-bert: Vision-language pre-training on fashion domain, Mingchen Zhuge, Dehong Gao, Deng-Ping Fan, Linbo Jin, Ben Chen, Haoming Zhou, Minghui Qiu, Ling Shao, CVPR 2021
• Fashionbert: Text and image matching with adaptive loss for cross-modal retrieval, Dehong Gao, Linbo Jin, Ben Chen, Minghui Qiu, Peng Li, Yi Wei, Yi Hu, Hao Wang, SIGIR 2020
• CCDN: Checkerboard corner detection network for robust camera calibration, Ben Chen, Caihua Xiong, Qi Zhang, ICIRA 2018 Oral

📖 Educations

• 2017.09 - 2020.06, Master, Huazhong University of Science and Technology, Wuhan.
• 2013.09 - 2017.06, Undergraduate, Wuhan University, Wuhan.

🎖 Honors and Awards

• 2024.05, The Outstanding paper of ECML-PKDD 2024.
• 2021.02, The Best paper of AAAI2021 Shared Task Track.

💬 Invited Talks

• 2026.03, The KuaiShou Technology Sharing Conference
• 2025.11, The 4th National Large Model and Generation Conference (LMG2025).
• 2025.10, The KuaiShou Technical Sharing Seminar

💻 Internships

• 2019.07 - 2020.06, Alibaba, Hangzhou.