collaborators

5 papers

cs.IR2026

RecRM-Bench: Benchmarking Multidimensional Reward Modeling for Agentic Recommender Systems

Wenwen Zeng, Jinhui Zhang, Hao Chen +10

The integration of Large Language Model (LLM) agents is transforming recommender systems from simple query-item matching towards deeply personalized and interactive recommendations…

cs.CR2026

XekRung Technical Report

Jiutian Zeng, Junjie Li, Chengwei Dai +13

We present XekRung, a frontier large language model for cybersecurity, designed to provide comprehensive security capabilities. To achieve this, we develop diverse data synthesis p…

cs.IR2026

When Relevance Meets Novelty: Dual-Stable Periodic Optimization for Serendipitous Recommendation

Hongxiang Lin, Hao Guo, Zeshun Li +6

Traditional recommendation systems tend to trap users in strong feedback loops by excessively pushing content aligned with their historical preferences, thereby limiting exploratio…

cs.IR2025

Dynamic Forgetting and Spatio-Temporal Periodic Interest Modeling for Local-Life Service Recommendation

Zhaoyu Hu, Jianyang Wang, Hao Guo +6

In the context of the booming digital economy, recommendation systems, as a key link connecting users and numerous services, face challenges in modeling user behavior sequences on…

cs.IR2025

MTmixAtt: Integrating Mixture-of-Experts with Multi-Mix Attention for Large-Scale Recommendation

Xianyang Qi, Yuan Tian, Zhaoyu Hu +4

Industrial recommender systems critically depend on high-quality ranking models. However, traditional pipelines still rely on manual feature engineering and scenario-specific archi…