1. Learning Variational Word Masks to Improve the Interpretability of Neural Text Classifiers
    Hanjie Chen, Yangfeng Ji
    The 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP), Nov. 2020 [
    PDF] [Code]

  2. Generating Hierarchical Explanations on Text Classification via Feature Interaction Detection
    Hanjie Chen, Guangtao Zheng, Yangfeng Ji
    The 58th Annual Meeting of the Association for Computational Linguistics (ACL), July 2020 [PDF] [Code]

  3. Improving the Explainability of Neural Sentiment Classifiers via Data Augmentation
    Hanjie Chen, Yangfeng Ji
    NeurIPS 2019 Workshop on Robust AI in Financial Services, Dec. 2019 [PDF]

Before 2019
  1. A Two-Dimensional Constellation Design Method for Visible Light Communications With Signal-Dependent Shot Noise
    Hanjie Chen, Zhengyuan Xu
    IEEE Communications Letters, Sept. 2018 [PDF]

  2. The Near-field Radiation Pattern of an OLED Panel and Its Application in Detection
    Rui Xu, Hanjie Chen, Zhengyuan Xu
    CSNDSP, July 2018 [PDF]

  3. A 51.6 Mbps Experimental VLC System Using a Monochromic Organic LED
    Hanjie Chen, Zhengyuan Xu, Qian Gao, Shangbin Li
    IEEE Photonics Journal, April 2018 [PDF]

  4. OLED Panel Radiation Pattern and Its Impact on VLC Channel Characteristics
    Hanjie Chen, Zhengyuan Xu
    IEEE Photonics Journal, April 2018 [PDF]

  5. Radiation Pattern Modeling of a Bent OLED Panel for Visible Light Communication
    Hanjie Chen, Zhengyuan Xu
    ACP, Nov. 2017 [PDF]

  6. Volterra-based Nonlinear Equalization for Nonlinearity Mitigation in Organic VLC
    Xiangyu Li, Hanjie Chen, Shangbin Li, Qian Gao, Chen Gong, Zhengyuan Xu
    IWCMC, June 2017 [PDF]

  7. A 1.9 Mbps OFDM-based All-organic Visible Light Communication System
    Hanjie Chen, Shangbin Li, Wenhai Li, Boyang Huang, Jing Xie, Guifang Dong, Zhengyuan Xu
    ICCS, Dec. 2016 [PDF]

  8. Squarylium and Rubrene Based Filterless Narrowband Photodetectors for an All-organic Two-channel Visible Light Communication System
    Wenhai Li, Shangbin Li, Lian Duan, Hanjie Chen, Liduo Wang, Guifang Dong, Zhengyuan Xu
    Organic Electronics, Oct. 2016 [PDF]