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COSPLAY: Concept Set Guided Personalized Dialogue Generation Across Both Party Personas



Chen Xu , Piji Li , Wei Wang , Haoran Yang , Siyun Wang , Chuangbai Xiao

* Accepted by SIGIR 2022, 11 pages, 9 figures 

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Event Transition Planning for Open-ended Text Generation



Qintong Li , Piji Li , Wei Bi , Zhaochun Ren , Yuxuan Lai , Lingpeng Kong

* Accepted at Findings of ACL 2022 

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Parameter-Efficient Tuning by Manipulating Hidden States of Pretrained Language Models For Classification Tasks



Haoran Yang , Piji Li , Wai Lam


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"Is Whole Word Masking Always Better for Chinese BERT?": Probing on Chinese Grammatical Error Correction



Yong Dai , Linyang Li , Cong Zhou , Zhangyin Feng , Enbo Zhao , Xipeng Qiu , Piji Li , Duyu Tang

* Short paper in Findings of ACL 2022 

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Contrastive Representation Learning for Exemplar-Guided Paraphrase Generation



Haoran Yang , Wai Lam , Piji Li

* Findings of EMNLP 2021 

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Sentence Semantic Regression for Text Generation



Wei Wang , Piji Li , Hai-Tao Zheng


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Dialogue Summarization with Supporting Utterance Flow Modeling and Fact Regularization



Wang Chen , Piji Li , Hou Pong Chan , Irwin King

* Knowledge-Based Systems (KBS) 

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CLINE: Contrastive Learning with Semantic Negative Examples for Natural Language Understanding



Dong Wang , Ning Ding , Piji Li , Hai-Tao Zheng

* ACL 2021, Main Conference, Long Paper 

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A Training-free and Reference-free Summarization Evaluation Metric via Centrality-weighted Relevance and Self-referenced Redundancy



Wang Chen , Piji Li , Irwin King

* ACL 2021 long paper 

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