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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: 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

* 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

* EMNLP-IJCNLP 2019 

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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 https://github.com/squareRoot3/Target-Guided-Conversation. 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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Consistency and Variation in Kernel Neural Ranking Model


Sep 27, 2018
Mary Arpita Pyreddy, Varshini Ramaseshan, Narendra Nath Joshi, Zhuyun Dai, Chenyan Xiong, Jamie Callan, Zhiyuan Liu

* Mary Arpita Pyreddy et al. 2018. Consistency and Variation in Kernel Neural Ranking Model. In The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval (SIGIR '18). ACM, New York, NY, USA, 961-964 
* 4 pages, 4 figures, 2 tables 

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Automatic Event Salience Identification


Sep 03, 2018
Zhengzhong Liu, Chenyan Xiong, Teruko Mitamura, Eduard Hovy

* EMNLP 2018, 11 pages. Datasets, models and codes: https://github.com/hunterhector/EventSalience 

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Towards Better Text Understanding and Retrieval through Kernel Entity Salience Modeling


May 03, 2018
Chenyan Xiong, Zhengzhong Liu, Jamie Callan, Tie-Yan Liu

* In proceedings of SIGIR 2018 

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Word-Entity Duet Representations for Document Ranking


Jun 20, 2017
Chenyan Xiong, Jamie Callan, Tie-Yan Liu

* SIGIR 2017 

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End-to-End Neural Ad-hoc Ranking with Kernel Pooling


Jun 20, 2017
Chenyan Xiong, Zhuyun Dai, Jamie Callan, Zhiyuan Liu, Russell Power


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