Chen, Si

20 publications

NeurIPS 2025 BeyondMix: Leveraging Structural Priors and Long-Range Dependencies for Domain-Invariant LiDAR Segmentation Yujia Chen, Rui Sun, Wangkai Li, Huayu Mai, Si Chen, Zhuoyuan Li, Zhixin Cheng, Tianzhu Zhang

AAAI 2025 Exploring the Better Multimodal Synergy Strategy for Vision-Language Models Xiaotian Yin, Xin Liu, Si Chen, Yuan Wang, Yuwen Pan, Tianzhu Zhang

ICLR 2025 GeoILP: A Synthetic Dataset to Guide Large-Scale Rule Induction Si Chen, Richong Zhang, Xu Zhang

NeurIPS 2025 HypoBootstrap: A Bootstrapping Framework for Inductive Reasoning Si Chen, Yifei Li, Richong Zhang

ICML 2025 Just Enough Shifts: Mitigating Over-Refusal in Aligned Language Models with Targeted Representation Fine-Tuning Mahavir Dabas, Si Chen, Charles Fleming, Ming Jin, Ruoxi Jia

AAAI 2025 SocialSim: Towards Socialized Simulation of Emotional Support Conversation Zhuang Chen, Yaru Cao, Guanqun Bi, Jincenzi Wu, Jinfeng Zhou, Xiyao Xiao, Si Chen, Hongning Wang, Minlie Huang

TMLR 2024 Data-Centric Defense: Shaping Loss Landscape with Augmentations to Counter Model Inversion Si Chen, Feiyang Kang, Nikhil Abhyankar, Ming Jin, Ruoxi Jia

AAAI 2024 High-Order Structure Based Middle-Feature Learning for Visible-Infrared Person Re-Identification Liuxiang Qiu, Si Chen, Yan Yan, Jing-Hao Xue, Da-Han Wang, Shunzhi Zhu

UAI 2024 Learning to Rank for Active Learning via Multi-Task Bilevel Optimization Zixin Ding, Si Chen, Ruoxi Jia, Yuxin Chen

TMLR 2023 One-Round Active Learning Through Data Utility Learning and Proxy Models Jiachen T. Wang, Si Chen, Ruoxi Jia

TMLR 2023 Turning a Curse into a Blessing: Enabling In-Distribution-Data-Free Backdoor Removal via Stabilized Model Inversion Si Chen, Yi Zeng, Won Park, Jiachen T. Wang, Xun Chen, Lingjuan Lyu, Zhuoqing Mao, Ruoxi Jia

ICLR 2022 Adversarial Unlearning of Backdoors via Implicit Hypergradient Yi Zeng, Si Chen, Won Park, Zhuoqing Mao, Ming Jin, Ruoxi Jia

CVPR 2022 Label-Only Model Inversion Attacks via Boundary Repulsion Mostafa Kahla, Si Chen, Hoang Anh Just, Ruoxi Jia

ECCV 2022 Learn-to-Decompose: Cascaded Decomposition Network for Cross-Domain Few-Shot Facial Expression Recognition Xinyi Zou, Yan Yan, Jing-Hao Xue, Si Chen, Hanzi Wang

UAI 2022 SASH: Efficient Secure Aggregation Based on SHPRG for Federated Learning Zizhen Liu, Si Chen, Jing Ye, Junfeng Fan, Huawei Li, Xiaowei Li

AAAI 2022 When Facial Expression Recognition Meets Few-Shot Learning: A Joint and Alternate Learning Framework Xinyi Zou, Yan Yan, Jing-Hao Xue, Si Chen, Hanzi Wang

ICCV 2021 Knowledge-Enriched Distributional Model Inversion Attacks Si Chen, Mostafa Kahla, Ruoxi Jia, Guo-Jun Qi

CVPR 2021 Learning Spatial-Semantic Relationship for Facial Attribute Recognition with Limited Labeled Data Ying Shu, Yan Yan, Si Chen, Jing-Hao Xue, Chunhua Shen, Hanzi Wang

AAAI 2019 Non-Compensatory Psychological Models for Recommender Systems Chen Lin, Xiaolin Shen, Si Chen, Muhua Zhu, Yanghua Xiao

CVPR 2015 Scene Classification with Semantic Fisher Vectors Mandar Dixit, Si Chen, Dashan Gao, Nikhil Rasiwasia, Nuno Vasconcelos