All Stories

  1. A Content- and Context-Aware Click Model based on Dynamic Graph Neural Networks

    Article • ACM Transactions on Information Systems, February 2026, ACM (Association for Computing Machinery)

    Jiaxin Mao

  2. The Effect of Task Complexity and Domain Expertise on Search Performance and User Behavior in Conversational Exploratory Search

    Article • ACM Transactions on Information Systems, January 2026, ACM (Association for Computing Machinery)

    Jiaxin Mao

  3. 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

  4. 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

  5. Addressing Personalized Bias for Unbiased Learning to Rank

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

    Jiaxin Mao

  6. Dense Retrieval for Aggregated Search

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

    Jiaxin Mao

  7. 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

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

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

    Jiaxin Mao, Yiding Sun

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

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

    Zhen Tian, Jiaxin Mao

  10. Distributionally Robust Optimization for Unbiased Learning to Rank

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

    Jiaxin Mao

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

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

    Jiaxin Mao

  12. A Flexible User Study Platform for Generative Information Retrieval

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

    Jiaxin Mao, Fengming Liang

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

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

    Jiaxin Mao

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

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

    Jiaxin Mao

  15. 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

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

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

    Jiaxin Mao, Yiqun Chen

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

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

    Jiaxin Mao

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

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

    Jiaxin Mao

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

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

    Yiding Sun, Jiaxin Mao

  20. Scaling Laws For Dense Retrieval

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

    Jiaxin Mao, Jia Chen

  21. USimAgent: Large Language Models for Simulating Search Users

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

    Jiaxin Mao

  22. An Integrated Data Processing Framework for Pretraining Foundation Models

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

    Jiaxin Mao, Yiding Sun

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

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

    Jiaxin Mao

  24. 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

  25. An Intent Taxonomy of Legal Case Retrieval

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

    Haitao Li, Jiaxin Mao

  26. 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

  27. Understanding the Multi-vector Dense Retrieval Models

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

    Jiaxin Mao

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

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

    Jiaxin Mao, Haitao Li

  29. Session Search with Pre-trained Graph Classification Model

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

    Jiaxin Mao

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

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

    Jiaxin Mao

  31. User Behavior Simulation for Search Result Re-ranking

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

    Jiaxin Mao

  32. Understanding Relevance Judgments in Legal Case Retrieval

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

    Jiaxin Mao

  33. Evaluating Interpolation and Extrapolation Performance of Neural Retrieval Models

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

    Jiaxin Mao

  34. 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

  35. Axiomatically Regularized Pre-training for Ad hoc Search

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

    Jia Chen, Jiaxin Mao

  36. Webformer

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

    Jiaxin Mao

  37. Generating Clarifying Questions with Web Search Results

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

    Jiaxin Mao, Ziliang Zhao

  38. Learning Probabilistic Box Embeddings for Effective and Efficient Ranking

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

    Jiaxin Mao

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

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

    Jiaxin Mao

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

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

    Jiaxin Mao

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

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

    Jiaxin Mao

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

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

    Jiaxin Mao

  43. POSSCORE

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

    Jiaxin Mao, Max Wilson

  44. Incorporating Query Reformulating Behavior into Web Search Evaluation

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

    Jia Chen, Jiaxin Mao

  45. Evaluating Relevance Judgments with Pairwise Discriminative Power

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

    Jiaxin Mao

  46. A Hybrid Framework for Session Context Modeling

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

    Jia Chen, Jiaxin Mao

  47. Optimizing Dense Retrieval Model Training with Hard Negatives

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

    Jiaxin Mao

  48. Investigating User Behavior in Legal Case Retrieval

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

    Jiaxin Mao

  49. Investigating Session Search Behavior with Knowledge Graphs

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

    Jiaxin Mao

  50. Unbiased Learning to Rank

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

    Jiaxin Mao

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

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

    Jiaxin Mao

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

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

    Jia Chen, Jiaxin Mao

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

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

    Jiaxin Mao

  54. Challenges in designing a brain-machine search interface

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

    Jiaxin Mao

  55. Neural Logic Reasoning

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

    Jiaxin Mao, Hanxiong Chen

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

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

    Jiaxin Mao

  57. Preference-based Evaluation Metrics for Web Image Search

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

    Jiaxin Mao

  58. Models Versus Satisfaction

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

    Jiaxin Mao

  59. Cascade or Recency

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

    Jiaxin Mao

  60. Investigating Reading Behavior in Fine-grained Relevance Judgment

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

    Jiaxin Mao

  61. An Analysis of BERT in Document Ranking

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

    Jiaxin Mao

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

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

    Jiaxin Mao

  63. Leveraging Passage-level Cumulative Gain for Document Ranking

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

    Jiaxin Mao

  64. "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

  65. TianGong-ST

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

    Jia Chen, Jiaxin Mao

  66. Improving Web Image Search with Contextual Information

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

    Jiaxin Mao

  67. Investigating the Learning Process in Job Search

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

    Jiaxin Mao, Mark Sanderson, Damiano Spina

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

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

    Jiaxin Mao

  69. Investigating the Reliability of Click Models

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

    Jiaxin Mao

  70. Search Result Reranking with Visual and Structure Information Sources

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

    Jiaxin Mao

  71. Teach Machine How to Read

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

    Jiaxin Mao

  72. Towards Context-Aware Evaluation for Image Search

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

    Jiaxin Mao

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

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

    Jiaxin Mao

  74. Human Behavior Inspired Machine Reading Comprehension

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

    Jiaxin Mao

  75. SIGIR 2019 Tutorial on Explainable Recommendation and Search

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

    Jiaxin Mao

  76. WWW’19 Tutorial on Explainable Recommendation and Search

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

    Jiaxin Mao

  77. Grid-based Evaluation Metrics for Web Image Search

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

    Jiaxin Mao

  78. Understanding Reading Attention Distribution during Relevance Judgement

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

    Jiaxin Mao

  79. Unbiased Learning to Rank

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

    Jiaxin Mao

  80. 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

  81. Constructing Click Models for Mobile Search

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

    Jiaxin Mao

  82. Towards Designing Better Session Search Evaluation Metrics

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

    Jiaxin Mao

  83. ACM SIGIR Student Liaison Program

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

    Jiaxin Mao, Johann Trippas, Hamed Zamani

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

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

    Jiaxin Mao

  85. Understanding and Predicting Usefulness Judgment in Web Search

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

    Jiaxin Mao

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

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

    Jiaxin Mao