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Xi Chen

PAC-Bayes Information Bottleneck


Oct 04, 2021
Zifeng Wang, Shao-Lun Huang, Ercan E. Kuruoglu, Jimeng Sun, Xi Chen, Yefeng Zheng

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Predicting isocitrate dehydrogenase mutation status in glioma using structural brain networks and graph neural networks


Sep 10, 2021
Yiran Wei, Yonghao Li, Xi Chen, Carola-Bibiane Schönlieb, Chao Li, Stephen J. Price

* Accepted by Brain Lesion Workshop 
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Differential Privacy in Personalized Pricing with Nonparametric Demand Models


Sep 10, 2021
Xi Chen, Sentao Miao, Yining Wang


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Graph-MVP: Multi-View Prototypical Contrastive Learning for Multiplex Graphs


Sep 08, 2021
Baoyu Jing, Yuejia Xiang, Xi Chen, Yu Chen, Hanghang Tong

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* Preprint. Work in progress 
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Adaptive unsupervised learning with enhanced feature representation for intra-tumor partitioning and survival prediction for glioblastoma


Aug 21, 2021
Yifan Li, Chao Li, Yiran Wei, Stephen Price, Carola-Bibiane Schönlieb, Xi Chen

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Pruning Ternary Quantization


Jul 23, 2021
Dan Liu, Xi Chen, Jie Fu, Xue Liu

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Adversarial Robustness of Probabilistic Network Embedding for Link Prediction


Jul 05, 2021
Xi Chen, Bo Kang, Jefrey Lijffijt, Tijl De Bie

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PRGC: Potential Relation and Global Correspondence Based Joint Relational Triple Extraction


Jun 18, 2021
Hengyi Zheng, Rui Wen, Xi Chen, Yifan Yang, Yunyan Zhang, Ziheng Zhang, Ningyu Zhang, Bin Qin, Ming Xu, Yefeng Zheng

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* Accepted by ACL 2021 
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PRASEMap: A Probabilistic Reasoning and Semantic Embedding based Knowledge Graph Alignment System


Jun 16, 2021
Zhiyuan Qi, Ziheng Zhang, Jiaoyan Chen, Xi Chen, Yefeng Zheng

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Bridging the Gap Between Practice and PAC-Bayes Theory in Few-Shot Meta-Learning


May 28, 2021
Nan Ding, Xi Chen, Tomer Levinboim, Sebastian Goodman, Radu Soricut

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OntoEA: Ontology-guided Entity Alignment via Joint Knowledge Graph Embedding


May 24, 2021
Yuejia Xiang, Ziheng Zhang, Jiaoyan Chen, Xi Chen, Zhenxi Lin, Yefeng Zheng

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* Accepted by Findings of ACL 2021 
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Unsupervised Knowledge Graph Alignment by Probabilistic Reasoning and Semantic Embedding


May 19, 2021
Zhiyuan Qi, Ziheng Zhang, Jiaoyan Chen, Xi Chen, Yuejia Xiang, Ningyu Zhang, Yefeng Zheng

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* Accepted by IJCAI 2021 
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Accent Recognition with Hybrid Phonetic Features


May 05, 2021
Zhan Zhang, Xi Chen, Yuehai Wang, Jianyi Yang

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* Under review for Speech Communication 
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Interventional Aspect-Based Sentiment Analysis


Apr 20, 2021
Zhen Bi, Ningyu Zhang, Ganqiang Ye, Haiyang Yu, Xi Chen, Huajun Chen

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* Work in progress 
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Imperfect also Deserves Reward: Multi-Level and Sequential Reward Modeling for Better Dialog Management


Apr 10, 2021
Zhengxu Hou, Bang Liu, Ruihui Zhao, Zijing Ou, Yafei Liu, Xi Chen, Yefeng Zheng

* NAACL 2021 
 * 9 pages 
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BrainNetGAN: Data augmentation of brain connectivity using generative adversarial network for dementia classification


Mar 10, 2021
Chao Li, Yiran Wei, Xi Chen

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No Discounted-Regret Learning in Adversarial Bandits with Delays


Mar 08, 2021
Ilai Bistritz, Zhengyuan Zhou, Xi Chen, Nicholas Bambos, Jose Blanchet

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* This is an extended version of the preliminary conference paper "Online EXP3 Learning in Adversarial Bandits with Delayed Feedback" published in Neurips 2019 
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Bayesian Meta-Learning for Few-Shot Policy Adaptation Across Robotic Platforms


Mar 05, 2021
Ali Ghadirzadeh, Xi Chen, Petra Poklukar, Chelsea Finn, Mårten Björkman, Danica Kragic

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Lifelong Learning based Disease Diagnosis on Clinical Notes


Mar 05, 2021
Zifeng Wang, Yifan Yang, Rui Wen, Xi Chen, Shao-Lun Huang, Yefeng Zheng

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* Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD'21) 
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Variance Reduced Median-of-Means Estimator for Byzantine-Robust Distributed Inference


Mar 04, 2021
Jiyuan Tu, Weidong Liu, Xiaojun Mao, Xi Chen

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* 64 pages, 3 figures 
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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

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* 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

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* 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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