collaborators

5 papers

cs.IR2026

GEMs: Breaking the Long-Sequence Barrier in Generative Recommendation with a Multi-Stream Decoder

Yu Zhou, Chengcheng Guo, Kuo Cai +6

While generative recommendations (GR) possess strong sequential reasoning capabilities, they face significant challenges when processing extremely long user behavior sequences: the…

cs.IR2026

OneLive: Dynamically Unified Generative Framework for Live-Streaming Recommendation

Shen Wang, Yusheng Huang, Ruochen Yang +15

Live-streaming recommender system serves as critical infrastructure that bridges the patterns of real-time interactions between users and authors. Similar to traditional industrial…

cs.IR2026

Coarse-to-Fine Long-term Interest Modeling for Generative Recommendation

Shiteng Cao, Junda She, Ji Liu +9

Leveraging long-term user behavioral patterns is a key trajectory for enhancing the accuracy of modern recommender systems. While generative recommender systems have emerged as a t…

cs.IR2026

PROMISE: Process Reward Models Unlock Test-Time Scaling Laws in Generative Recommendations

Chengcheng Guo, Kuo Cai, Yu Zhou +5

Generative Recommendation has emerged as a promising paradigm, reformulating recommendation as a sequence-to-sequence generation task over hierarchical Semantic IDs. However, exist…

cs.IR2025

MISS: Multi-Modal Tree Indexing and Searching with Lifelong Sequential Behavior for Retrieval Recommendation

Chengcheng Guo, Junda She, Kuo Cai +5

Large-scale industrial recommendation systems typically employ a two-stage paradigm of retrieval and ranking to handle huge amounts of information. Recent research focuses on impro…