Bo Long

R1-Ranker: Teaching LLM Rankers to Reason

Learning Graph Quantized Tokenizers

Language Models are Graph Learners

Domain Indexing Collaborative Filtering for Recommender System

Counterfactual Outcome Estimation in Time Series via Sub-treatment Group Alignment and Random Temporal Masking

PRUC & Play: Probabilistic Residual User Clustering for Recommender Systems

Unifying Generative and Dense Retrieval for Sequential Recommendation

Preference Discerning in Generative Sequential Recommendation

GuideCO: Training Objective-Guided Diffusion Solver with Imperfect Data for Combinatorial Optimization