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


Apr 30, 2022
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


Apr 28, 2022
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


Apr 20, 2022
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


Apr 19, 2022
Hua Liang, Tianyu Liu, Peiyi Wang, Mengliang Rao, Yunbo Cao

* Work in progress. The first two authors contribute equally 

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Incorporating Hierarchy into Text Encoder: a Contrastive Learning Approach for Hierarchical Text Classification


Mar 23, 2022
Zihan Wang, Peiyi Wang, Lianzhe Huang, Xin Sun, Houfeng Wang

* ACL 2022 main conference 

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Hierarchical Curriculum Learning for AMR Parsing


Oct 15, 2021
Peiyi Wang, Liang Chen, Tianyu Liu, Baobao Chang, Zhifang Sui


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An Enhanced Span-based Decomposition Method for Few-Shot Sequence Labeling


Sep 27, 2021
Peiyi Wang, Runxin Xu, Tianyu Liu, Qingyu Zhou, Yunbo Cao, Baobao Chang, Zhifang Sui


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Behind the Scenes: An Exploration of Trigger Biases Problem in Few-Shot Event Classification


Aug 29, 2021
Peiyi Wang, Runxin Xu, Tianyu Liu, Damai Dai, Baobao Chang, Zhifang Sui

* Accepted at CIKM2021; Long paper 

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Explicit Interaction Network for Aspect Sentiment Triplet Extraction


Jun 21, 2021
Peiyi Wang, Lianzhe Huang, Tianyu Liu, Damai Dai, Runxin Xu, Houfeng Wang, Baobao Chang, Zhifang Sui


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