All Stories

  1. StepTool: Enhancing Multi-Step Tool Usage in LLMs via Step-Grained Reinforcement Learning

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

    Chuhan Wu

  2. A Unified Framework for Multi-Domain CTR Prediction via Large Language Models

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

    Chuhan Wu

  3. Few-shot LLM Synthetic Data with Distribution Matching

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

    Chuhan Wu

  4. Beyond Utility: Evaluating LLM as Recommender

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

    Chuhan Wu

  5. Learning Human Feedback from Large Language Models for Content Quality-aware Recommendation

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

    Chuhan Wu

  6. Confidence-Aware Multi-Field Model Calibration

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

    Chuhan Wu

  7. A Tutorial on Feature Interpretation in Recommender Systems

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

    Chuhan Wu

  8. Ranking-Aware Unbiased Post-Click Conversion Rate Estimation via AUC Optimization on Entire Exposure Space

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

    Chuhan Wu

  9. How Can Recommender Systems Benefit from Large Language Models: A Survey

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

    Yunjia Xi, Chuhan Wu

  10. Collaborative-Enhanced Prediction of Spending on Newly Downloaded Mobile Games under Consumption Uncertainty

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

    Peijie Sun, Chuhan Wu

  11. LightCS: Selecting Quadratic Feature Crosses in Linear Complexity

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

    Chuhan Wu

  12. Multimodal Pretraining and Generation for Recommendation: A Tutorial

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

    Chuhan Wu

  13. Customer Lifetime Value Prediction: Towards the Paradigm Shift of Recommender System Objectives

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

    Chuhan Wu

  14. DualFair: Fair Representation Learning at Both Group and Individual Levels via Contrastive Self-supervision

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

    Chuhan Wu

  15. Task Adaptive Multi-learner Network for Joint CTR and CVR Estimation

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

    Chuhan Wu

  16. Personalized News Recommendation: Methods and Challenges

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

    Chuhan Wu

  17. FedAttack: Effective and Covert Poisoning Attack on Federated Recommendation via Hard Sampling

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

    Chuhan Wu

  18. No One Left Behind: Inclusive Federated Learning over Heterogeneous Devices

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

    Chuhan Wu

  19. UserBERT

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

    Chuhan Wu

  20. ProFairRec

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

    Chuhan Wu, Peijie Sun

  21. News Recommendation with Candidate-aware User Modeling

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

    Chuhan Wu

  22. Is News Recommendation a Sequential Recommendation Task?

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

    Chuhan Wu

  23. MM-Rec: Visiolinguistic Model Empowered Multimodal News Recommendation

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

    Chuhan Wu

  24. FedCTR: Federated Native Ad CTR Prediction with Cross-platform User Behavior Data

    Article • ACM Transactions on Intelligent Systems and Technology, June 2022, ACM (Association for Computing Machinery)

    Chuhan Wu

  25. FeedRec: News Feed Recommendation with Various User Feedbacks

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

    Chuhan Wu

  26. Empowering News Recommendation with Pre-trained Language Models

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

    Chuhan Wu

  27. Personalized News Recommendation with Knowledge-aware Interactive Matching

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

    Chuhan Wu

  28. Detecting Entities of Works for Chinese Chatbot

    Article • ACM Transactions on Asian and Low-Resource Language Information Processing, November 2020, ACM (Association for Computing Machinery)

    Chuhan Wu

  29. Neural Review Rating Prediction with User and Product Memory

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

    Chuhan Wu

  30. NICE: Neural In-Hospital Cost Estimation from Medical Records

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

    Chuhan Wu

  31. Neural Gender Prediction in Microblogging with Emotion-aware User Representation

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

    Chuhan Wu

  32. ARP

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

    Chuhan Wu

  33. Sentiment Lexicon Enhanced Neural Sentiment Classification

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

    Chuhan Wu