Ruqing Zhang

2026

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CorpusBrain++: A Continual Generative Pre-Training Framework for Knowledge-Intensive Language Tasks.
Jiafeng Guo|Changjiang Zhou|Ruqing Zhang|Jiangui Chen|Maarten de Rijke|Yixing Fan|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 1
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Robust Neural Information Retrieval: An Adversarial and Out-of-Distribution Perspective.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Yixing Fan|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 1
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Is a Busy Search Agent a Good One? Overthinking and Overretrieval at Scale.
Takahide Hoshide|Xin Liu|Karl Gyllstrom|Xueqi Cheng|Takahide Hoshide|Xin Liu|Kaiqi Zhao|Ruqing Zhang|Kaiqi Zhao|Ruqing Zhang|Ko Fujimura|Yu-An Liu|Lixin Su|Jiafeng Guo|Xueqi Cheng|Karl Gyllstrom
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026
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AdversarialCoT: Single-Document Retrieval Poisoning for LLM Reasoning.
Zhi Tang|Hongru Song|Xiaozhong Liu|Ruqing Zhang|Ander Barrena|Yu-An Liu|Yingnan Xiao|Jiafeng Guo|Xiaozhong Liu|Ruqing Zhang|Ander Barrena|Nevenka Dimitrova|Jiafeng Guo|Zhi Tang|Hongru Song|Nevenka Dimitrova|Yu-An Liu|Yingnan Xiao|Maarten de Rijke|Ander Barrena|Ruqing Zhang|Xiaozhong Liu|Yixing Fan|Xueqi Cheng
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026
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One-Pass Decoding for Generative Recommendation with WFST-Constrained A* Search.
Shuokai Li|Ruqing Zhang|Puji Wang|Yingchen Zhang|Jiafeng Guo|Ruobing Xie|Yongchun Zhu|Ruqing Zhang|Shuokai Li|Xueqi Cheng|Jiafeng Guo|Ruobing Xie|Yongchun Zhu|Xueqi Cheng
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026
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Déjà Vu of Strange Stickers! Enhancing Out-of-Distribution Robustness in Sticker Retrieval via Cross-Modal Intent Alignment.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Changjiang Zhou|Fan Zhang|Yinhu Zhao
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.
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LongRanker: Efficient One-Pass Document Reranking with Long-Context Large Language Models.
Changjiang Zhou|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Yixing Fan|Xueqi Cheng
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

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CAME: Competitively Learning a Mixture-of-Experts Model for First-stage Retrieval.
Jiafeng Guo|Yinqiong Cai|Keping Bi|Yixing Fan|Wei Chen|Ruqing Zhang|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 2
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On the Robustness of Generative Information Retrieval Models: An Out-of-Distribution Perspective.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Changjiang Zhou|Maarten de Rijke|Xueqi Cheng
Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part II
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On the Scaling of Robustness and Effectiveness in Dense Retrieval.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Yixing Fan|Xueqi Cheng
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Robust-IR @ SIGIR 2025: The First Workshop on Robust Information Retrieval.
Yu-An Liu|Haya Nachimovsky|Ruqing Zhang|Oren Kurland|Jiafeng Guo|Moshe Tennenholtz
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Boosting Retrieval-Augmented Generation with Generation-Augmented Retrieval: A Co-Training Approach.
Yubao Tang|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Yixing Fan|Xueqi Cheng
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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An Empirical Study of Evaluating Long-form Question Answering.
Ning Xian|Yixing Fan|Ruqing Zhang|Maarten de Rijke|Jiafeng Guo
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Robust Information Retrieval.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025

2024

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Listwise Generative Retrieval Models via a Sequential Learning Process.
Yubao Tang|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Wei Chen|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 5
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On the Capacity of Citation Generation by Large Language Models.
Haosheng Qian|Yixing Fan|Ruqing Zhang|Jiafeng Guo
Information Retrieval - 30th China Conference, CCIR 2024, Wuhan, China, October 18-20, 2024, Revised Selected Papers
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A Claim Decomposition Benchmark for Long-Form Answer Verification.
Zhihao Zhang|Yixing Fan|Ruqing Zhang|Jiafeng Guo
Information Retrieval - 30th China Conference, CCIR 2024, Wuhan, China, October 18-20, 2024, Revised Selected Papers
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GaQR: An Efficient Generation-augmented Question Rewriter.
Oliver Young|Yixing Fan|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Xueqi Cheng
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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RIGHT: Retrieval-Augmented Generation for Mainstream Hashtag Recommendation.
Foaad Farooghian|Jiafeng Guo|Run-Ze Fan|Yixing Fan|Mourad Oussalah|Ruqing Zhang|Jiangui Chen|Foaad Farooghian|Jiafeng Guo|Mourad Oussalah|Ruqing Zhang|Xueqi Cheng
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part I
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Recent Advances in Generative Information Retrieval.
Yubao Tang|Ruqing Zhang|Zhaochun Ren|Jiafeng Guo|Maarten de Rijke
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V
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Gen-IR @ SIGIR 2024: The Second Workshop on Generative Information Retrieval.
Gabriel Bénédict|Ruqing Zhang|Donald Metzler|Andrew Yates|Ziyan Jiang
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
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Robust Information Retrieval.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
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Multi-granular Adversarial Attacks against Black-box Neural Ranking Models.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Yixing Fan|Xueqi Cheng
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
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Recent Advances in Generative Information Retrieval.
Yubao Tang|Ruqing Zhang|Zhaochun Ren|Jiafeng Guo|Maarten de Rijke
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
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Are Large Language Models Good at Utility Judgments?
Hengran Zhang|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Yixing Fan|Xueqi Cheng
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
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Recent Advances in Generative Information Retrieval.
Yubao Tang|Ruqing Zhang|Weiwei Sun|Jiafeng Guo|Maarten de Rijke
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

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Are Neural Ranking Models Robust?
Chen Wu|Ruqing Zhang|Jiafeng Guo|Yixing Fan|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 2
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Report on the 1st Workshop on Generative Information Retrieval (Gen-IR 2023) at SIGIR 2023.
Gabriel Bénédict|Ruqing Zhang|Donald Metzler|Andrew Yates|Romain Deffayet|Philipp Hager|Sami Jullien
SIGIR Forum 2023 Volume 57 Issue 2
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PRADA: Practical Black-box Adversarial Attacks against Neural Ranking Models.
Chen Wu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Yixing Fan|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 4
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Continual Learning for Generative Retrieval over Dynamic Corpora.
Laura Dietz|Jiangui Chen|Ruqing Zhang|Michael Schuhmacher|Jiafeng Guo|Maarten de Rijke|Wei Chen|Yixing Fan|Xueqi Cheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
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Inducing Causal Structure for Abstractive Text Summarization.
Lu Chen|Ruqing Zhang|Wei Huang|Wei Chen|Jiafeng Guo|Xueqi Cheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
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Black-box Adversarial Attacks against Dense Retrieval Models: A Multi-view Contrastive Learning Method.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Wei Chen|Yixing Fan|Xueqi Cheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
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[email protected] 2023: The First Workshop on Generative Information Retrieval.
Gabriel Bénédict|Ruqing Zhang|Donald Metzler
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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A Unified Generative Retriever for Knowledge-Intensive Language Tasks via Prompt Learning.
Jiangui Chen|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Yiqun Liu|Yixing Fan|Xueqi Cheng
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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Topic-oriented Adversarial Attacks against Black-box Neural Ranking Models.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Wei Chen|Yixing Fan|Xueqi Cheng
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2022

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A Review on Question Generation from Natural Language Text.
Ruqing Zhang|Jiafeng Guo|Lu Chen|Yixing Fan|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 1
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Pre-training Methods in Information Retrieval.
Yixing Fan|Xiaohui Xie|Yinqiong Cai|Jia Chen|Xinyu Ma|Xiangsheng Li|Ruqing Zhang|Jiafeng Guo
Foundations and Trends in Information Retrieval 2022 Volume 16 Issue 3
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Semantic Models for the First-Stage Retrieval: A Comprehensive Review.
Jiafeng Guo|Yinqiong Cai|Yixing Fan|Fei Sun|Ruqing Zhang|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 4
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Beyond Precision: A Study on Recall of Initial Retrieval with Neural Representations.
Yan Xiao|Yixing Fan|Ruqing Zhang|Jiafeng Guo
Information Retrieval - 28th China Conference, CCIR 2022, Chongqing, China, September 16-18, 2022, Revised Selected Papers
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Hard Negatives or False Negatives: Correcting Pooling Bias in Training Neural Ranking Models.
Yinqiong Cai|Jiafeng Guo|Yixing Fan|Qingyao Ai|Ruqing Zhang|Xueqi Cheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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CorpusBrain: Pre-train a Generative Retrieval Model for Knowledge-Intensive Language Tasks.
Jiangui Chen|Ruqing Zhang|Jiafeng Guo|Yiqun Liu|Yixing Fan|Xueqi Cheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Discriminative Language Model via Self-Teaching for Dense Retrieval.
Lu Chen|Ruqing Zhang|Jiafeng Guo|Yixing Fan|Xueqi Cheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Scattered or Connected? An Optimized Parameter-efficient Tuning Approach for Information Retrieval.
Xinyu Ma|Jiafeng Guo|Ruqing Zhang|Yixing Fan|Xueqi Cheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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A Contrastive Pre-training Approach to Discriminative Autoencoder for Dense Retrieval.
Xinyu Ma|Ruqing Zhang|Jiafeng Guo|Yixing Fan|Xueqi Cheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Certified Robustness to Word Substitution Ranking Attack for Neural Ranking Models.
Chen Wu|Ruqing Zhang|Jiafeng Guo|Wei Chen|Yixing Fan|Maarten de Rijke|Xueqi Cheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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GERE: Generative Evidence Retrieval for Fact Verification.
Jiangui Chen|Ruqing Zhang|Jiafeng Guo|Yixing Fan|Xueqi Cheng
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
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Pre-train a Discriminative Text Encoder for Dense Retrieval via Contrastive Span Prediction.
Xinyu Ma|Jiafeng Guo|Ruqing Zhang|Yixing Fan|Xueqi Cheng
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

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FedMatch: Federated Learning Over Heterogeneous Question Answering Data.
Jiangui Chen|Ruqing Zhang|Jiafeng Guo|Yixing Fan|Xueqi Cheng
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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A Discriminative Semantic Ranker for Question Retrieval.
Yinqiong Cai|Yixing Fan|Jiafeng Guo|Ruqing Zhang|Yanyan Lan|Xueqi Cheng
ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Canada, July 11, 2021
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B-PROP: Bootstrapped Pre-training with Representative Words Prediction for Ad-hoc Retrieval.
Xinyu Ma|Chuan Meng|Yixing Fan|Jiafeng Guo|Xueqi Cheng|Litu Ou|Ruqing Zhang|Yixing Fan|Chuan Meng|Yingyan Li|Xueqi Cheng|Litu Ou
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
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PROP: Pre-training with Representative Words Prediction for Ad-hoc Retrieval.
Xinyu Ma|Jiafeng Guo|Ruqing Zhang|Yixing Fan|Xiang Ji|Xueqi Cheng
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021
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Beyond Relevance: Trustworthy Answer Selection via Consensus Verification.
Lixin Su|Ruqing Zhang|Jiafeng Guo|Yixing Fan|Jiangui Chen|Yanyan Lan|Xueqi Cheng
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021
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A Linguistic Study on Relevance Modeling in Information Retrieval.
Yixing Fan|Jiafeng Guo|Xinyu Ma|Ruqing Zhang|Yanyan Lan|Xueqi Cheng
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

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Dual-factor Generation Model for Conversation.
Ruqing Zhang|Jiafeng Guo|Yixing Fan|Yanyan Lan|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2020 Volume 38 Issue 3
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Continual Domain Adaptation for Machine Reading Comprehension.
Lixin Su|Jiafeng Guo|Ruqing Zhang|Yixing Fan|Yanyan Lan|Xueqi Cheng
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
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Query Understanding via Intent Description Generation.
Ruqing Zhang|Jiafeng Guo|Yixing Fan|Yanyan Lan|Xueqi Cheng
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
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Match²: A Matching over Matching Model for Similar Question Identification.
Zizhen Wang|Yixing Fan|Jiafeng Guo|Liu Yang|Ruqing Zhang|Yanyan Lan|Xueqi Cheng|Hui Jiang|Xiaozhao Wang
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

2019

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Outline Generation: Understanding the Inherent Content Structure of Documents.
Ruqing Zhang|Jiafeng Guo|Yixing Fan|Yanyan Lan|Xueqi Cheng
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.

2018

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Generative Paragraph Vector.
Ruqing Zhang|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Information Retrieval - 24th China Conference, CCIR 2018, Guilin, China, September 27-29, 2018, Proceedings
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Question Headline Generation for News Articles.
Ruqing Zhang|Jiafeng Guo|Yixing Fan|Yanyan Lan|Jun Xu|Huanhuan Cao|Xueqi Cheng
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
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Spherical Paragraph Model.
Ruqing Zhang|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings
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Aggregating Neural Word Embeddings for Document Representation.
Ruqing Zhang|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings