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Xi Chen
Learning a Product Relevance Model from Click-Through Data in E-Commerce

Feb 14, 2021
Shaowei Yao, Jiwei Tan, Xi Chen, Keping Yang, Rong Xiao, Hongbo Deng, Xiaojun Wan

* Accepted to TheWebConf/WWW 2021 
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Does Probabilistic Constellation Shaping Benefit IM-DD Systems without Optical Amplifiers?

Feb 09, 2021
Di Che, Junho Cho, Xi Chen


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Online Statistical Inference for Gradient-free Stochastic Optimization

Feb 05, 2021
Xi Chen, Zehua Lai, He Li, Yichen Zhang


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Enquire One's Parent and Child Before Decision: Fully Exploit Hierarchical Structure for Self-Supervised Taxonomy Expansion

Jan 27, 2021
Suyuchen Wang, Ruihui Zhao, Xi Chen, Yefeng Zheng, Bang Liu

* 12 pages, 6 figures. To appear in The Web Conference (WWW) 2021 
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Denoising Single Voxel Magnetic Resonance Spectroscopy with Deep Learning on Repeatedly Sampled In Vivo Data

Jan 26, 2021
Wanqi Hu, Dicheng Chen, Tianyu Qiu, Hao Chen, Xi Chen, Lin Yang, Gen Yan, Di Guo, Xiaobo Qu


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Expectation-Maximization Regularized Deep Learning for Weakly Supervised Tumor Segmentation for Glioblastoma

Jan 22, 2021
Chao Li, Wenjian Huang, Xi Chen, Yiran Wei, Stephen J. Price, Carola-Bibiane Schönlieb


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Adversarial Combinatorial Bandits with General Non-linear Reward Functions

Jan 05, 2021
Xi Chen, Yanjun Han, Yining Wang


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Smoothed Gaussian Mixture Models for Video Classification and Recommendation

Dec 17, 2020
Sirjan Kafle, Aman Gupta, Xue Xia, Ananth Sankar, Xi Chen, Di Wen, Liang Zhang

* 11 pages, 3 figures, 7 tables 
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Bayesian optimization assisted unsupervised learning for efficient intra-tumor partitioning in MRI and survival prediction for glioblastoma patients

Dec 05, 2020
Yifan Li, Chao Li, Stephen Price, Carola-Bibiane Schönlieb, Xi Chen


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Enhanced Few-shot Learning for Intrusion Detection in Railway Video Surveillance

Nov 09, 2020
Xiao Gong, Xi Chen, Wei Chen

* 11 pages, submitted 
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Distant Supervision for E-commerce Query Segmentation via Attention Network

Nov 09, 2020
Zhao Li, Donghui Ding, Pengcheng Zou, Yu Gong, Xi Chen, Ji Zhang, Jianliang Gao, Youxi Wu, Yucong Duan


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An Industry Evaluation of Embedding-based Entity Alignment

Nov 07, 2020
Ziheng Zhang, Jiaoyan Chen, Xi Chen, Hualuo Liu, Yuejia Xiang, Bo Liu, Yefeng Zheng

* accepted by COLING 2020 
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Binary Choice with Asymmetric Loss in a Data-Rich Environment: Theory and an Application to Racial Justice

Oct 25, 2020
Andrii Babii, Xi Chen, Eric Ghysels, Rohit Kumar


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Improving Text Generation Evaluation with Batch Centering and Tempered Word Mover Distance

Oct 13, 2020
Xi Chen, Nan Ding, Tomer Levinboim, Radu Soricut

* EMNLP 2020 Eval4NLP Workshop 
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DoubleEnsemble: A New Ensemble Method Based on Sample Reweighting and Feature Selection for Financial Data Analysis

Oct 03, 2020
Chuheng Zhang, Yuanqi Li, Xi Chen, Yifei Jin, Pingzhong Tang, Jian Li

* ICDM 2020 
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Privacy-Preserving Dynamic Personalized Pricing with Demand Learning

Sep 27, 2020
Xi Chen, David Simchi-Levi, Yining Wang


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Automated Stroke Rehabilitation Assessment using Wearable Accelerometers in Free-Living Environments

Sep 17, 2020
Xi Chen, Yu Guan, Jian-Qing Shi, Xiu-Li Du, Janet Eyre

* submitted to ACM Trans. Computing for Healthcare 
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Finding Influential Instances for Distantly Supervised Relation Extraction

Sep 17, 2020
Zifeng Wang, Rui Wen, Xi Chen, Shao-Lun Huang, Ningyu Zhang, Yefeng Zheng


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Online Disease Self-diagnosis with Inductive Heterogeneous Graph Convolutional Networks

Sep 06, 2020
Zifeng Wang, Rui Wen, Xi Chen, Shilei Cao, Shao-Lun Huang, Buyue Qian, Yefeng Zheng


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Information Theoretic Counterfactual Learning from Missing-Not-At-Random Feedback

Sep 06, 2020
Zifeng Wang, Xi Chen, Rui Wen, Shao-Lun Huang, Ercan E. Kuruoglu, Yefeng Zheng


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On the Sample Complexity of Reinforcement Learning with Policy Space Generalization

Aug 17, 2020
Wenlong Mou, Zheng Wen, Xi Chen


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Transformer with Bidirectional Decoder for Speech Recognition

Aug 11, 2020
Xi Chen, Songyang Zhang, Dandan Song, Peng Ouyang, Shouyi Yin

* Accepted by InterSpeech 2020 
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Variable Skipping for Autoregressive Range Density Estimation

Jul 10, 2020
Eric Liang, Zongheng Yang, Ion Stoica, Pieter Abbeel, Yan Duan, Xi Chen

* ICML 2020. Code released at: https://var-skip.github.io/ 
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Human-centered collaborative robots with deep reinforcement learning

Jul 02, 2020
Ali Ghadirzadeh, Xi Chen, Wenjie Yin, Zhengrong Yi, Mårten Björkman, Danica Kragic


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NeuroCard: One Cardinality Estimator for All Tables

Jun 15, 2020
Zongheng Yang, Amog Kamsetty, Sifei Luan, Eric Liang, Yan Duan, Xi Chen, Ion Stoica


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COVID-19 Public Opinion and Emotion Monitoring System Based on Time Series Thermal New Word Mining

May 23, 2020
Yixian Zhang, Jieren Chen, Boyi Liu, Yifan Yang, Haocheng Li, Xinyi Zheng, Xi Chen, Tenglong Ren, Naixue Xiong


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Non-iterative Simultaneous Rigid Registration Method for Serial Sections of Biological Tissue

May 11, 2020
Chang Shu, Xi Chen, Qiwei Xie, Chi Xiao, Hua Han

* 2018 IEEE 15th International Symposium on Biomedical Imaging (ISBI 2018), Washington, DC, 2018, pp. 436-440 
 * appears in IEEE International Symposium on Biomedical Imaging 2018 (ISBI 2018) 
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Learning and Testing Junta Distributions with Subcube Conditioning

Apr 26, 2020
Xi Chen, Rajesh Jayaram, Amit Levi, Erik Waingarten


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