activity
20242026
collaborators

13 papers

cs.LG2026

Evaluating Uplift Modeling under Structural Biases: Insights into Metric Stability and Model Robustness

Yuxuan Yang, Dugang Liu, Yiyan Huang

In personalized marketing, uplift models estimate the incremental effect of an intervention by modeling how customer behavior would change under alternative treatments using counte…

cs.IR2026

HSUGA: LLM-Enhanced Recommendation with Hierarchical Semantic Understanding and Group-Aware Alignment

Guorui Li, Dugang Liu, Lei Li +2

Large language model (LLM)-enhanced sequential recommendation typically aims to improve two core components: user semantic embedding extraction and utilization. Despite promising r…

cs.IR2026

FedMM: Federated Collaborative Signal Quantization for Multi-Market CTR Prediction

Jun Zhang, Dugang Liu, Xing Tang +2

Online platforms such as Amazon and Netflix serve users across multiple countries and regions, underscoring the importance of multi-market recommendation (MMR). Most MMR methods ad…

cs.IR2026

Data-Driven Function Calling Improvements in Large Language Model for Online Financial QA

Xing Tang, Hao Chen, Shiwei Li +7

Large language models (LLMs) have been incorporated into numerous industrial applications. Meanwhile, a vast array of API assets is scattered across various functions in the financ…

cs.IR2026

Retrieve-then-Adapt: Retrieval-Augmented Test-Time Adaptation for Sequential Recommendation

Xing Tang, Jingyang Bin, Ziqiang Cui +6

The sequential recommendation (SR) task aims to predict the next item based on users' historical interaction sequences. Typically trained on historical data, SR models often strugg…

cs.IR2025

Semantic Retrieval Augmented Contrastive Learning for Sequential Recommendation

Ziqiang Cui, Yunpeng Weng, Xing Tang +8

Contrastive learning has shown effectiveness in improving sequential recommendation models. However, existing methods still face challenges in generating high-quality contrastive p…