collaborators

5 papers

cs.IR2026

UniRec: Bridging the Expressive Gap between Generative and Discriminative Recommendation via Chain-of-Attribute

Ziliang Wang, Gaoyun Lin, Xuesi Wang +7

Generative Recommendation (GR) reframes retrieval and ranking as autoregressive decoding over Semantic IDs (SIDs), unifying the multi-stage pipeline into a single model. Yet a fund…

cs.IR2026

Unleashing the Potential of Sparse Attention on Long-term Behaviors for CTR Prediction

Weijiang Lai, Beihong Jin, Di Zhang +5

In recent years, the success of large language models (LLMs) has driven the exploration of scaling laws in recommender systems. However, models that demonstrate scaling laws are ac…

cs.LG2025

From Projection to Prediction: Beyond Logits for Scalable Language Models

Jianbing Dong, Jianbin Chang

Training Large Language Models (LLMs) typically involves a two-stage pipeline at the output layer: hidden states are projected into vocabulary logits via a linear transformation (l…

cs.IR2025

Exploring Scaling Laws of CTR Model for Online Performance Improvement

Weijiang Lai, Beihong Jin, Jiongyan Zhang +5

CTR models play a vital role in improving user experience and boosting business revenue in many online personalized services. However, current CTR models generally encounter bottle…

cs.IR2025

Modeling Long-term User Behaviors with Diffusion-driven Multi-interest Network for CTR Prediction

Weijiang Lai, Beihong Jin, Yapeng Zhang +5

CTR (Click-Through Rate) prediction, crucial for recommender systems and online advertising, etc., has been confirmed to benefit from modeling long-term user behaviors. Nonetheless…