collaborators

6 papers

cs.IR2026

DiffCold: A Diffusion-based Generative Model for Cold-Start Item Recommendation

Kangning Zhang, Yingjie Qin, Weinan Zhang +2

Cold-start item recommendation remains a persistent challenge in real-world systems due to the absence of interaction histories. While prior models attempt to bridge this gap using…

cs.IR2026

MOTOR: Learning ID-free Item Representation with Token Crossing for Embedding-based Multimodal Recommendation

Kangning Zhang, Jiarui Jin, Yingjie Qin +4

While multimodal recommendation models have effectively integrated visual and textual information, their reliance on unique ID embeddings constitutes a fundamental performance bott…

cs.IR2026

LASER: An Efficient Target-Aware Segmented Attention Framework for End-to-End Long Sequence Modeling

Tianhe Lin, Ziwei Xiong, Baoyuan Ou +8

Modeling ultra-long user behavior sequences is pivotal for capturing evolving and lifelong interests in modern recommendation systems. However, deploying such models in real-time i…

cs.LG2025

HoPE: Hybrid of Position Embedding for Long Context Vision-Language Models

Haoran Li, Yingjie Qin, Baoyuan Ou +2

Vision-Language Models (VLMs) have made significant progress in multimodal tasks. However, their performance often deteriorates in long-context scenarios, particularly long videos.…

cs.AI2025

GIST: Cross-Domain Click-Through Rate Prediction via Guided Content-Behavior Distillation

Wei Xu, Haoran Li, Baoyuan Ou +4

Cross-domain Click-Through Rate prediction aims to tackle the data sparsity and the cold start problems in online advertising systems by transferring knowledge from source domains…

cs.IR2025

Diffusion Model for Interest Refinement in Multi-Interest Recommendation

Yankun Le, Haoran Li, Baoyuan Ou +4

Multi-interest candidate matching plays a pivotal role in personalized recommender systems, as it captures diverse user interests from their historical behaviors. Most existing met…