Jiawei Chen

Scheduling Your LLM Reinforcement Learning with Reasoning Trees

Rethinking Entropy Interventions in RLVR: An Entropy Change Perspective

Making Classic GNNs Strong Baselines Across Varying Homophily: A Smoothness–Generalization Perspective

Learning Counterfactual Outcomes Under Rank Preservation

Tree of Preferences for Diversified Recommendation

Understanding and Enhancing Message Passing on Heterophilic Graphs via Compatibility Matrix

Towards Robust Alignment of Language Models: Distributionally Robustifying Direct Preference Optimization

Towards a Unified Framework of Clustering-based Anomaly Detection

Towards Dynamic Graph Neural Networks with Provably High-Order Expressive Power

Towards a Unified Framework of Clustering-based Anomaly Detection

Counterfactual Learning under Rank Preservation

Towards Optimizing Top-$K$ Ranking Metrics in Recommender Systems

Exploring and Unleashing the Power of Message Passing on Heterophilous Graphs