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Zixiang Di

3 accepted papers

2025

Expensive Multi-Objective Bayesian Optimization Based on Diffusion Models

AAAI 2025technical

Multi-objective Bayesian optimization (MOBO) has shown promising performance on various expensive multi-objective optimization problems (EMOPs). However, effectively modeling complex distributions of the Pareto optimal solutions is difficult with limited function evaluations. Existing Pareto set lea…

2025

ReflectDiffu: Reflect between Emotion-intent Contagion and Mimicry for Empathetic Response Generation via a RL-Diffusion Framework

ACL 2025long

Empathetic response generation necessitates the integration of emotional and intentional dynamics to foster meaningful interactions. Existing research either neglects the intricate interplay between emotion and intent, leading to suboptimal controllability of empathy, or resorts to large language mo…

Cited by 0SourcePDFScholar
2025

Reversal of Thought: Enhancing Large Language Models with Preference-Guided Reverse Reasoning Warm-up

ACL 2025long

Large language models (LLMs) have shown remarkable performance in reasoning tasks but face limitations in mathematical and complex logical reasoning. Existing methods to improve LLMs’ logical capabilities either involve traceable or verifiable logical sequences that generate more reliable responses…