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More Robust Dense Retrieval with Contrastive Dual Learning

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

* 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

* 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

* 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

* 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

* 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

* 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

* 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

* 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

* 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

* EMNLP 2020. (Code:

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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

* 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

* 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

* 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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Kernel Graph Attention Network for Fact Verification

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

* 8 pages, 8 figures 

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Latent Relation Language Models

Aug 21, 2019
Hiroaki Hayashi, Zecong Hu, Chenyan Xiong, Graham Neubig

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Generic Intent Representation in Web Search

Jul 24, 2019
Hongfei Zhang, Xia Song, Chenyan Xiong, Corby Rosset, Paul N. Bennett, Nick Craswell, Saurabh Tiwary

* SIGIR 2019: Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval 

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Target-Guided Open-Domain Conversation

May 29, 2019
Jianheng Tang, Tiancheng Zhao, Chenyan Xiong, Xiaodan Liang, Eric P. Xing, Zhiting Hu

* ACL 2019. Data and code available at fixed typos 

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Understanding the Behaviors of BERT in Ranking

Apr 26, 2019
Yifan Qiao, Chenyan Xiong, Zhenghao Liu, Zhiyuan Liu

* There is an error in Table 1 and we will update them to correct results. Please refer to MS MARCO Leaderboard for the actually evaluation results 

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