All Stories

  1. How do Large Language Models Understand Relevance? A Mechanistic Interpretability Perspective

    Article • ACM Transactions on Information Systems, November 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao

  2. Adapting LLMs for Personalized Evaluation of Explanations for Recommendations: A Meta-Learning Approach based on MAML

    Article • November 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao

  3. Addressing Personalized Bias for Unbiased Learning to Rank

    Article • November 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao

  4. Dense Retrieval for Aggregated Search

    Article • November 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao

  5. CLUE: Using Large Language Models for Judging Document Usefulness in Web Search Evaluation

    Article • November 2025, ACM (Association for Computing Machinery)

    Yiqun Chen, Jiaxin Mao

  6. FinS-Pilot: A Benchmark for Online Financial RAG System

    Article • November 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao, Yiding Sun

  7. MGIPF: Multi-Granularity Interest Prediction Framework for Personalized Recommendation

    Article • July 2025, ACM (Association for Computing Machinery)

    Zhen Tian, Jiaxin Mao

  8. Distributionally Robust Optimization for Unbiased Learning to Rank

    Article • July 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao

  9. Exploring Human-Like Thinking in Search Simulations with Large Language Models

    Article • July 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao

  10. A Flexible User Study Platform for Generative Information Retrieval

    Article • July 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao, Fengming Liang

  11. Investigating the Robustness of Counterfactual Learning to Rank Models: A Reproducibility Study

    Article • July 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao

  12. Leveraging Passage Embeddings for Efficient Listwise Reranking with Large Language Models

    Article • April 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao

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

    Article • April 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao, Yiqun Chen

  14. MA4DIV: Multi-Agent Reinforcement Learning for Search Result Diversification

    Article • April 2025, ACM (Association for Computing Machinery)

    Jiaxin Mao, Yiqun Chen

  15. Investigating Users' Search Behavior and Outcome with ChatGPT in Learning-oriented Search Tasks

    Article • December 2024, ACM (Association for Computing Machinery)

    Jiaxin Mao

  16. Mamba Retriever: Utilizing Mamba for Effective and Efficient Dense Retrieval

    Article • October 2024, ACM (Association for Computing Machinery)

    Jiaxin Mao

  17. Aligning Explanations for Recommendation with Rating and Feature via Maximizing Mutual Information

    Article • October 2024, ACM (Association for Computing Machinery)

    Yiding Sun, Jiaxin Mao

  18. Scaling Laws For Dense Retrieval

    Article • July 2024, ACM (Association for Computing Machinery)

    Jiaxin Mao, Jia Chen

  19. USimAgent: Large Language Models for Simulating Search Users

    Article • July 2024, ACM (Association for Computing Machinery)

    Jiaxin Mao

  20. An Integrated Data Processing Framework for Pretraining Foundation Models

    Article • July 2024, ACM (Association for Computing Machinery)

    Jiaxin Mao, Yiding Sun

  21. CoSearchAgent: A Lightweight Collaborative Search Agent with Large Language Models

    Article • July 2024, ACM (Association for Computing Machinery)

    Jiaxin Mao

  22. An Analysis on Matching Mechanisms and Token Pruning for Late-interaction Models

    Article • ACM Transactions on Information Systems, January 2024, ACM (Association for Computing Machinery)

    Jiaxin Mao

  23. An Intent Taxonomy of Legal Case Retrieval

    Article • ACM Transactions on Information Systems, December 2023, ACM (Association for Computing Machinery)

    Haitao Li, Jiaxin Mao

  24. Improving First-stage Retrieval of Point-of-Interest Search by Pre-training Models

    Article • ACM Transactions on Information Systems, November 2023, ACM (Association for Computing Machinery)

    Jiaxin Mao

  25. Understanding the Multi-vector Dense Retrieval Models

    Article • October 2023, ACM (Association for Computing Machinery)

    Jiaxin Mao

  26. Constructing Tree-based Index for Efficient and Effective Dense Retrieval

    Article • July 2023, ACM (Association for Computing Machinery)

    Jiaxin Mao, Haitao Li

  27. Session Search with Pre-trained Graph Classification Model

    Article • July 2023, ACM (Association for Computing Machinery)

    Jiaxin Mao

  28. A Passage-Level Reading Behavior Model for Mobile Search

    Article • April 2023, ACM (Association for Computing Machinery)

    Jiaxin Mao

  29. User Behavior Simulation for Search Result Re-ranking

    Article • ACM Transactions on Information Systems, January 2023, ACM (Association for Computing Machinery)

    Jiaxin Mao

  30. Understanding Relevance Judgments in Legal Case Retrieval

    Article • ACM Transactions on Information Systems, October 2022, ACM (Association for Computing Machinery)

    Jiaxin Mao

  31. Evaluating Interpolation and Extrapolation Performance of Neural Retrieval Models

    Article • October 2022, ACM (Association for Computing Machinery)

    Jiaxin Mao

  32. 4th Workshop on Deep Learning Practice and Theory for High-Dimensional Sparse and Imbalanced Data with KDD 2022

    Article • August 2022, ACM (Association for Computing Machinery)

    Jiaxin Mao

  33. Axiomatically Regularized Pre-training for Ad hoc Search

    Article • July 2022, ACM (Association for Computing Machinery)

    Jia Chen, Jiaxin Mao

  34. Webformer

    Article • July 2022, ACM (Association for Computing Machinery)

    Jiaxin Mao

  35. Generating Clarifying Questions with Web Search Results

    Article • July 2022, ACM (Association for Computing Machinery)

    Jiaxin Mao, Ziliang Zhao

  36. Learning Probabilistic Box Embeddings for Effective and Efficient Ranking

    Article • April 2022, ACM (Association for Computing Machinery)

    Jiaxin Mao

  37. Global or Local: Constructing Personalized Click Models for Web Search

    Article • April 2022, ACM (Association for Computing Machinery)

    Jiaxin Mao

  38. A Cooperative Neural Information Retrieval Pipeline with Knowledge Enhanced Automatic Query Reformulation

    Article • February 2022, ACM (Association for Computing Machinery)

    Jiaxin Mao

  39. Learning Discrete Representations via Constrained Clustering for Effective and Efficient Dense Retrieval

    Article • February 2022, ACM (Association for Computing Machinery)

    Jiaxin Mao

  40. Jointly Optimizing Query Encoder and Product Quantization to Improve Retrieval Performance

    Article • October 2021, ACM (Association for Computing Machinery)

    Jiaxin Mao

  41. POSSCORE

    Article • October 2021, ACM (Association for Computing Machinery)

    Jiaxin Mao, Max Wilson

  42. Incorporating Query Reformulating Behavior into Web Search Evaluation

    Article • October 2021, ACM (Association for Computing Machinery)

    Jia Chen, Jiaxin Mao

  43. Evaluating Relevance Judgments with Pairwise Discriminative Power

    Article • October 2021, ACM (Association for Computing Machinery)

    Jiaxin Mao

  44. A Hybrid Framework for Session Context Modeling

    Article • ACM Transactions on Information Systems, July 2021, ACM (Association for Computing Machinery)

    Jia Chen, Jiaxin Mao

  45. Optimizing Dense Retrieval Model Training with Hard Negatives

    Article • July 2021, ACM (Association for Computing Machinery)

    Jiaxin Mao

  46. Investigating User Behavior in Legal Case Retrieval

    Article • July 2021, ACM (Association for Computing Machinery)

    Jiaxin Mao

  47. Investigating Session Search Behavior with Knowledge Graphs

    Article • July 2021, ACM (Association for Computing Machinery)

    Jiaxin Mao

  48. Unbiased Learning to Rank

    Article • ACM Transactions on Information Systems, April 2021, ACM (Association for Computing Machinery)

    Jiaxin Mao

  49. Constructing a Comparison-based Click Model for Web Search

    Article • April 2021, ACM (Association for Computing Machinery)

    Jiaxin Mao

  50. Towards a Better Understanding of Query Reformulation Behavior in Web Search

    Article • April 2021, ACM (Association for Computing Machinery)

    Jia Chen, Jiaxin Mao

  51. Topic-enhanced knowledge-aware retrieval model for diverse relevance estimation

    Article • April 2021, ACM (Association for Computing Machinery)

    Jiaxin Mao

  52. Challenges in designing a brain-machine search interface

    Article • ACM SIGIR Forum, December 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  53. Neural Logic Reasoning

    Article • October 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao, Hanxiong Chen

  54. Learning Better Representations for Neural Information Retrieval with Graph Information

    Article • October 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  55. Preference-based Evaluation Metrics for Web Image Search

    Article • July 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  56. Models Versus Satisfaction

    Article • July 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  57. Cascade or Recency

    Article • July 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  58. Investigating Reading Behavior in Fine-grained Relevance Judgment

    Article • July 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  59. An Analysis of BERT in Document Ranking

    Article • July 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  60. Modeling User Behavior for Vertical Search: Images, Apps and Products

    Article • July 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  61. Leveraging Passage-level Cumulative Gain for Document Ranking

    Article • April 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  62. "Revisiting information retrieval tasks with user behavior models" by Yiqun Liu and Jiaxin Mao with Martin Vesely as coordinator

    Article • ACM SIGWEB Newsletter, February 2020, ACM (Association for Computing Machinery)

    Jiaxin Mao

  63. TianGong-ST

    Article • November 2019, ACM (Association for Computing Machinery)

    Jia Chen, Jiaxin Mao

  64. Improving Web Image Search with Contextual Information

    Article • November 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  65. Investigating the Learning Process in Job Search

    Article • November 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao, Mark Sanderson, Damiano Spina

  66. Context-Aware Ranking by Constructing a Virtual Environment for Reinforcement Learning

    Article • November 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  67. Investigating the Reliability of Click Models

    Article • September 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  68. Search Result Reranking with Visual and Structure Information Sources

    Article • ACM Transactions on Information Systems, July 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  69. Teach Machine How to Read

    Article • July 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  70. Towards Context-Aware Evaluation for Image Search

    Article • July 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  71. Investigating Passage-level Relevance and Its Role in Document-level Relevance Judgment

    Article • July 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  72. Human Behavior Inspired Machine Reading Comprehension

    Article • July 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  73. SIGIR 2019 Tutorial on Explainable Recommendation and Search

    Article • July 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  74. WWW’19 Tutorial on Explainable Recommendation and Search

    Article • May 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  75. Grid-based Evaluation Metrics for Web Image Search

    Article • May 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao

  76. Understanding Reading Attention Distribution during Relevance Judgement

    Article • October 2018, ACM (Association for Computing Machinery)

    Jiaxin Mao

  77. Unbiased Learning to Rank

    Article • October 2018, ACM (Association for Computing Machinery)

    Jiaxin Mao

  78. How Does Domain Expertise Affect Users’ Search Interaction and Outcome in Exploratory Search?

    Article • ACM Transactions on Information Systems, October 2018, ACM (Association for Computing Machinery)

    Prof. Noriko Kando, Jiaxin Mao

  79. Constructing Click Models for Mobile Search

    Article • June 2018, ACM (Association for Computing Machinery)

    Jiaxin Mao

  80. Towards Designing Better Session Search Evaluation Metrics

    Article • June 2018, ACM (Association for Computing Machinery)

    Jiaxin Mao

  81. ACM SIGIR Student Liaison Program

    Article • ACM SIGIR Forum, February 2018, ACM (Association for Computing Machinery)

    Jiaxin Mao, Johann Trippas, Hamed Zamani

  82. "Satisfaction with Failure" or "Unsatisfied Success"

    Article • January 2018, ACM (Association for Computing Machinery)

    Jiaxin Mao

  83. Understanding and Predicting Usefulness Judgment in Web Search

    Article • August 2017, ACM (Association for Computing Machinery)

    Jiaxin Mao

  84. When does Relevance Mean Usefulness and User Satisfaction in Web Search?

    Article • July 2016, ACM (Association for Computing Machinery)

    Jiaxin Mao