All Stories

  1. DP-DGAD: A Generalist Dynamic Graph Anomaly Detector with Dynamic Prototypes

    Article • April 2026, ACM (Association for Computing Machinery)

    Yankai Chen

  2. Generative Archetype-Grounded Item Representations for Sequential Recommendation

    Article • April 2026, ACM (Association for Computing Machinery)

    Yankai Chen

  3. Learning Binarized Representations with Pseudo-positive Sample Enhancement for Efficient Graph Collaborative Filtering

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

    Yankai Chen

  4. UTCS: Effective Unsupervised Temporal Community Search with Pre-training of Temporal Dynamics and Subgraph Knowledge

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

    Yankai Chen, Chenhao Ma

  5. CSPO: Cross-Market Synergistic Stock Price Movement Forecasting with Pseudo-volatility Optimization

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

    Sida LIN, Yankai Chen, Chenhao Ma

  6. TRACE: Intra-visit Clinical Event Nowcasting via Effective Patient Trajectory Encoding

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

    Laks Lakshmanan, V.S., Yankai Chen, Chenhao Ma

  7. Semi-supervised Node Importance Estimation with Informative Distribution Modeling for Uncertainty Regularization

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

    Yankai Chen

  8. Machine learning model improves job mobility predictions by studying market connections

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

    Sida LIN, Yankai Chen, Shan Dai, Chenhao Ma

  9. EASE: Learning Lightweight Semantic Feature Adapters from Large Language Models for CTR Prediction

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

    Yankai Chen

  10. Geometric View of Soft Decorrelation in Self-Supervised Learning

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

    Yankai Chen

  11. Shopping Trajectory Representation Learning with Pre-training for E-commerce Customer Understanding and Recommendation

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

    Xin Shen, Yankai Chen

  12. WSFE: Wasserstein Sub-graph Feature Encoder for Effective User Segmentation in Collaborative Filtering

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

    Yankai Chen

  13. Fast Top-N search with graph hashing

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

    Yankai Chen

  14. Learning Binarized Graph Representations with Multi-faceted Quantization Reinforcement for Top-K Recommendation

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

    Yankai Chen

  15. Modeling Scale-free Graphs with Hyperbolic Geometry for Knowledge-aware Recommendation

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

    Yankai Chen