All Stories

  1. Incorporating 3D Structural Information for Activity Cliff Analysis

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

    Yankai Chen

  2. Conv-FinRe: A Conversational and Longitudinal Benchmark for Utility-Grounded Financial Recommendation

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

    Yankai Chen, Yan Wang, Dongji Feng

  3. FinAuditing: A Financial Taxonomy-Structured Multi-Document Benchmark for Evaluating LLMs

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

    Yankai Chen, Yan Wang

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

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

    Yankai Chen

  5. Generative Archetype-Grounded Item Representations for Sequential Recommendation

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

    Yankai Chen

  6. 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

  7. 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

  8. 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

  9. 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

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

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

    Yankai Chen

  11. 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

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

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

    Yankai Chen

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

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

    Yankai Chen

  14. 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

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

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

    Yankai Chen

  16. Fast Top-N search with graph hashing

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

    Yankai Chen

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

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

    Yankai Chen

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

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

    Yankai Chen