collaborators

12 papers

cs.IR2026

Generative Pseudo-Labeling for Pre-Ranking with LLMs

Junyu Bi, Xinting Niu, Daixuan Cheng +4

Pre-ranking is a critical stage in industrial recommendation systems, tasked with efficiently scoring thousands of recalled items for downstream ranking. A key challenge is the tra…

cs.IR2026

HiSAC: Hierarchical Sparse Activation Compression for Ultra-long Sequence Modeling in Recommenders

Kun Yuan, Junyu Bi, Daixuan Cheng +5

Modern recommender systems leverage ultra-long user behavior sequences to capture dynamic preferences, but end-to-end modeling is infeasible in production due to latency and memory…

cs.IR2026

SSRLive: Live Streaming Recommendation with Dynamic Semantic ID

Teng Shi, Zhaoheng Li, Yuanhang Qu +3

Live streaming has emerged as one of the fastest-growing forms of online media, enabling instant content broadcasting and real-time engagement between users and streamers. Despite…

cs.IR2026

RecGPT-Mobile: On-Device Large Language Models for User Intent Understanding in Taobao Feed Recommendation

Bin Zhang, Weipeng Huang, Dimin Wang +9

Predicting a user's next search query from recent interaction behaviors is a critical problem in modern e-commerce systems, particularly in scenarios where user intent evolves rapi…

cs.IR2026

A Long-term Value Prediction Framework In Video Ranking

Huabin Chen, Xinao Wang, Huiping Chu +5

Accurately modeling long-term value (LTV) at the ranking stage of short-video recommendation remains challenging. While delayed feedback and extended engagement have been explored,…

cs.IR2026

CoNRec: Context-Discerning Negative Recommendation with LLMs

Xinda Chen, Jiawei Wu, Yishuang Liu +5

Understanding what users like is relatively straightforward; understanding what users dislike, however, remains a challenging and underexplored problem. Research into users' negati…