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Chenyan Xiong

Neural Approaches to Conversational Information Retrieval


Jan 13, 2022
Jianfeng Gao, Chenyan Xiong, Paul Bennett, Nick Craswell

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* Book Draft 
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Zero-Shot Dense Retrieval with Momentum Adversarial Domain Invariant Representations


Oct 14, 2021
Ji Xin, Chenyan Xiong, Ashwin Srinivasan, Ankita Sharma, Damien Jose, Paul N. Bennett

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Distantly-Supervised Evidence Retrieval Enables Question Answering without Evidence Annotation


Oct 10, 2021
Chen Zhao, Chenyan Xiong, Jordan Boyd-Graber, Hal Daumé III

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* EMNLP 2021 
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TIAGE: A Benchmark for Topic-Shift Aware Dialog Modeling


Sep 09, 2021
Huiyuan Xie, Zhenghao Liu, Chenyan Xiong, Zhiyuan Liu, Ann Copestake

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* Accepted to appear in Findings of EMNLP 2021 
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Improving Query Representations for Dense Retrieval with Pseudo Relevance Feedback


Aug 30, 2021
HongChien Yu, Chenyan Xiong, Jamie Callan

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* Accepted at CIKM 2021 
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More Robust Dense Retrieval with Contrastive Dual Learning


Jul 16, 2021
Yizhi Li, Zhenghao Liu, Chenyan Xiong, Zhiyuan Liu

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* Accepted by ICTIR 2021 
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Domain-Specific Pretraining for Vertical Search: Case Study on Biomedical Literature


Jun 25, 2021
Yu Wang, Jinchao Li, Tristan Naumann, Chenyan Xiong, Hao Cheng, Robert Tinn, Cliff Wong, Naoto Usuyama, Richard Rogahn, Zhihong Shen, Yang Qin, Eric Horvitz, Paul N. Bennett, Jianfeng Gao, Hoifung Poon

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Few-Shot Conversational Dense Retrieval


May 19, 2021
Shi Yu, Zhenghao Liu, Chenyan Xiong, Tao Feng, Zhiyuan Liu

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* Accepted by SIGIR 2021 
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Multi-Step Reasoning Over Unstructured Text with Beam Dense Retrieval


Apr 13, 2021
Chen Zhao, Chenyan Xiong, Jordan Boyd-Graber, Hal Daumé III

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* NAACL 2021 
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Complex Factoid Question Answering with a Free-Text Knowledge Graph


Mar 23, 2021
Chen Zhao, Chenyan Xiong, Xin Qian, Jordan Boyd-Graber

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* WWW2020 
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Data Augmentation for Abstractive Query-Focused Multi-Document Summarization


Mar 02, 2021
Ramakanth Pasunuru, Asli Celikyilmaz, Michel Galley, Chenyan Xiong, Yizhe Zhang, Mohit Bansal, Jianfeng Gao

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* AAAI 2021 (13 pages) 
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Less is More: Pre-training a Strong Siamese Encoder Using a Weak Decoder


Feb 18, 2021
Shuqi Lu, Chenyan Xiong, Di He, Guolin Ke, Waleed Malik, Zhicheng Dou, Paul Bennett, Tieyan Liu, Arnold Overwijk

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COCO-LM: Correcting and Contrasting Text Sequences for Language Model Pretraining


Feb 16, 2021
Yu Meng, Chenyan Xiong, Payal Bajaj, Saurabh Tiwary, Paul Bennett, Jiawei Han, Xia Song

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OpenMatch: An Open-Source Package for Information Retrieval


Feb 04, 2021
Zhenghao Liu, Kaitao Zhang, Chenyan Xiong, Zhiyuan Liu

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* 4 pages 
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Meta Adaptive Neural Ranking with Contrastive Synthetic Supervision


Dec 29, 2020
Si Sun, Yingzhuo Qian, Zhenghao Liu, Chenyan Xiong, Kaitao Zhang, Jie Bao, Zhiyuan Liu, Paul Bennett

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* 13 pages, 3 figures, 7 tables 
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CMT in TREC-COVID Round 2: Mitigating the Generalization Gaps from Web to Special Domain Search


Nov 03, 2020
Chenyan Xiong, Zhenghao Liu, Si Sun, Zhuyun Dai, Kaitao Zhang, Shi Yu, Zhiyuan Liu, Hoifung Poon, Jianfeng Gao, Paul Bennett

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* 5 pages, 3 figures, 2 tables 
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Towards Interpretable Natural Language Understanding with Explanations as Latent Variables


Oct 24, 2020
Wangchunshu Zhou, Jinyi Hu, Hanlin Zhang, Xiaodan Liang, Maosong Sun, Chenyan Xiong, Jian Tang

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Long Document Ranking with Query-Directed Sparse Transformer


Oct 23, 2020
Jyun-Yu Jiang, Chenyan Xiong, Chia-Jung Lee, Wei Wang

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* Accepted by EMNLP 2020, 12 pages, 5 figures 
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Text Classification Using Label Names Only: A Language Model Self-Training Approach


Oct 14, 2020
Yu Meng, Yunyi Zhang, Jiaxin Huang, Chenyan Xiong, Heng Ji, Chao Zhang, Jiawei Han

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* EMNLP 2020. (Code: https://github.com/yumeng5/LOTClass) 
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Approximate Nearest Neighbor Negative Contrastive Learning for Dense Text Retrieval


Jul 01, 2020
Lee Xiong, Chenyan Xiong, Ye Li, Kwok-Fung Tang, Jialin Liu, Paul Bennett, Junaid Ahmed, Arnold Overwijk

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Knowledge-Aware Language Model Pretraining


Jun 29, 2020
Corby Rosset, Chenyan Xiong, Minh Phan, Xia Song, Paul Bennett, Saurabh Tiwary

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* NeurIPS 2020, somehow the Arxiv latex processing made it over 8 pages -- it wasn't 
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Joint Keyphrase Chunking and Salience Ranking with BERT


Apr 28, 2020
Si Sun, Chenyan Xiong, Zhenghao Liu, Zhiyuan Liu, Jie Bao

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* 6 pages, 3 figures, 2 tables 
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TREC CAsT 2019: The Conversational Assistance Track Overview


Mar 30, 2020
Jeffrey Dalton, Chenyan Xiong, Jamie Callan

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TaxoExpan: Self-supervised Taxonomy Expansion with Position-Enhanced Graph Neural Network


Jan 26, 2020
Jiaming Shen, Zhihong Shen, Chenyan Xiong, Chi Wang, Kuansan Wang, Jiawei Han

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* WWW 2020 
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Unsupervised Common Question Generation from Multiple Documents using Reinforced Contrastive Coordinator


Nov 08, 2019
Woon Sang Cho, Yizhe Zhang, Sudha Rao, Asli Celikyilmaz, Chenyan Xiong, Jianfeng Gao, Mengdi Wang, Bill Dolan

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Conversation Generation with Concept Flow


Nov 07, 2019
Houyu Zhang, Zhenghao Liu, Chenyan Xiong, Zhiyuan Liu

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Open Domain Web Keyphrase Extraction Beyond Language Modeling


Nov 06, 2019
Lee Xiong, Chuan Hu, Chenyan Xiong, Daniel Campos, Arnold Overwijk

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* EMNLP-IJCNLP 2019 
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Kernel Graph Attention Network for Fact Verification


Oct 23, 2019
Zhenghao Liu, Chenyan Xiong, Maosong Sun

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* 8 pages, 8 figures 
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