3 papers
cs.IR2026
Beyond Uniform Token Training: A Multi-Target Framework for Learning Token-Weighted Objectives in Generative Recommenders
Wei-Ning Chiu, Song-Duo Ma, Han-Jay Shu +2
Recent generative recommendation models recast next-item prediction as the generation of a semantic identifier sequence. While this formulation enables autoregressive models to pro…
cs.CV2025
Uncovering Overconfident Failures in CXR Models via Augmentation-Sensitivity Risk Scoring
Han-Jay Shu, Wei-Ning Chiu, Shun-Ting Chang +4
Deep learning models achieve strong performance in chest radiograph (CXR) interpretation, yet fairness and reliability concerns persist. Models often show uneven accuracy across pa…
q-fin.PM2023
NoxTrader: LSTM-Based Stock Return Momentum Prediction for Quantitative Trading
Hsiang-Hui Liu, Han-Jay Shu, Wei-Ning Chiu
We introduce NoxTrader, a sophisticated system designed for portfolio construction and trading execution with the primary objective of achieving profitable outcomes in the stock ma…