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A Structured Span Selector



Tianyu Liu , Yuchen Eleanor Jiang , Ryan Cotterell , Mrinmaya Sachan

* NAACL 2022 camera-ready 

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Robust Fine-tuning via Perturbation and Interpolation from In-batch Instances



Shoujie Tong , Qingxiu Dong , Damai Dai , Yifan song , Tianyu Liu , Baobao Chang , Zhifang Sui

* IJCAI-ECAI 2022 (the 31st International Joint Conference on Artificial Intelligence and the 25th European Conference on Artificial Intelligence) 

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A Two-Stream AMR-enhanced Model for Document-level Event Argument Extraction



Runxin Xu , Peiyi Wang , Tianyu Liu , Shuang Zeng , Baobao Chang , Zhifang Sui

* Long paper in NAACL 2022 main conference 

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HPT: Hierarchy-aware Prompt Tuning for Hierarchical Text Classification



Zihan Wang , Peiyi Wang , Tianyu Liu , Yunbo Cao , Zhifang Sui , Houfeng Wang

* Work in progress. First two authors contribute equally 

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ATP: AMRize Then Parse! Enhancing AMR Parsing with PseudoAMRs



Liang Chen , Peiyi Wang , Runxin Xu , Tianyu Liu , Zhifang Sui , Baobao Chang

* NAACL 2022 Findings. Code and models are released at https://github.com/chenllliang/ATP 

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SmartSales: Sales Script Extraction and Analysis from Sales Chatlog



Hua Liang , Tianyu Liu , Peiyi Wang , Mengliang Rao , Yunbo Cao

* Work in progress. The first two authors contribute equally 

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Star-Convex Constrained Optimization for Visibility Planning with Application to Aerial Inspection



Tianyu Liu , Qianhao Wang , Xingguang Zhong , Zhepei Wang , Chao Xu , Fu Zhang , Fei Gao

* Accepted by ICRA 2022 

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Demystify Optimization and Generalization of Over-parameterized PAC-Bayesian Learning



Wei Huang , Chunrui Liu , Yilan Chen , Tianyu Liu , Richard Yi Da Xu

* 19pages, 5 figures 

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Semi-supervised Implicit Scene Completion from Sparse LiDAR



Pengfei Li , Yongliang Shi , Tianyu Liu , Hao Zhao , Guyue Zhou , Ya-Qin Zhang

* code: https://github.com/OPEN-AIR-SUN/SISC 

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Cerberus Transformer: Joint Semantic, Affordance and Attribute Parsing



Xiaoxue Chen , Tianyu Liu , Hao Zhao , Guyue Zhou , Ya-Qin Zhang

* code: https://github.com/OPEN-AIR-SUN/Cerberus 

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