Xinyu Ma

2026

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Direct Retrieval-augmented Optimization: Synergizing Knowledge Selection and Language Models.

Zhengliang Shi|Lingyong Yan|Weiwei Sun|Yue Feng|Pengjie Ren|Xinyu Ma|Shuaiqiang Wang|Dawei Yin|Maarten de Rijke|Zhaochun Ren

ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4

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LLM-Based Listwise Reranking Under the Effect of Positional Bias.

Jingfen Qiao|Jin Huang|Xinyu Ma|Shuaiqiang Wang|Dawei Yin|Evangelos Kanoulas|Andrew Yates

Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part I

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Model Editing for New Document Integration in Generative Information Retrieval.

Zhen Zhang|Zihan Wang|Xinyu Ma|Shuaiqiang Wang|Dawei Yin|Xin Xin|Pengjie Ren|Maarten de Rijke|Zhaochun Ren

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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Reproducibility, Replicability, and Insights into Visual Document Retrieval with Late Interaction.

Jingfen Qiao|Jia-Huei Ju|Xinyu Ma|Evangelos Kanoulas|Andrew Yates

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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Replication and Exploration of Generative Retrieval over Dynamic Corpora.

Zhen Zhang|Xinyu Ma|Weiwei Sun|Pengjie Ren|Zhumin Chen|Shuaiqiang Wang|Dawei Yin|Maarten de Rijke|Zhaochun Ren

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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TourRank: Utilizing Large Language Models for Documents Ranking with a Tournament-Inspired Strategy.

Yiqun Chen|Qi Liu|Yi Zhang|Weiwei Sun|Xinyu Ma|Wei Yang|Daiting Shi|Jiaxin Mao|Dawei Yin

Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2023

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Pre-training with Aspect-Content Text Mutual Prediction for Multi-Aspect Dense Retrieval.

Xiaojie Sun|Keping Bi|Jiafeng Guo|Xinyu Ma|Yixing Fan|Hongyu Shan|Qishen Zhang|Zhongyi Liu

Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023

2022

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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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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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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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B-PROP: Bootstrapped Pre-training with Representative Words Prediction for Ad-hoc Retrieval.

Xinyu Ma|Jiafeng Guo|Ruqing Zhang|Yixing Fan|Yingyan Li|Xueqi Cheng

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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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.