3 papers
cs.AI2026
Contextual Multi-Objective Optimization: Rethinking Objectives in Frontier AI Systems
Jie Zhou, Qin Chen, Liang He
Frontier AI systems perform best in settings with clear, stable, and verifiable objectives, such as code generation, mathematical reasoning, games, and unit-test-driven tasks. They…
cs.CL2026
From Prediction to Justification: Aligning Sentiment Reasoning with Human Rationale via Reinforcement Learning
Shihao Zhang, Ziwei Wang, Jie Zhou +6
While Aspect-based Sentiment Analysis (ABSA) systems have achieved high accuracy in identifying sentiment polarities, they often operate as "black boxes," lacking the explicit reas…
cs.DB2026
PRMB: Benchmarking Reward Models in Long-Horizon CBT-based Counseling Dialogue
Yougen Zhou, Qin Chen, Ningning Zhou +2
Large language models (LLMs) hold potential for mental healthcare applications, particularly in cognitive behavioral therapy (CBT)-based counseling, where reward models play a crit…