Zexu Sun

7 papers · 2023–2026 · 6 conferences · across top CS/AI conferences

Achievements

🗺️ Taxonomy Completionist (15) 🌍 Conference Polyglot (5) 🐝 Cross-Pollinator (11) 🧭 Keyword Pioneer 🌈 Renaissance Researcher (5) 🌉 Interdisciplinary Bridge 🏆 Grand Slam

Conferences

ICML (2) AAAI (1) ACL (1) EMNLP (1) ICLR (1) NIPS (1)

Top co-authors

Xu Chen (4) Yankai Lin (2) Yiju Guo (2) Xiuqiang He (2) Xing Tang (2) Minqin Zhu (2) Anpeng Wu (2) Chen Ma (2) Kun Kuang (1) Jie Zhou (1)

Keywords

direct preference optimization (1) intent classification (1) knowledge base (1) information gain (1) variational autoencoder (1) counterfactual reasoning (1) robotics manipulation (1) relative accuracy (1) intent recognition (1) dialogue system (1) multi-step reasoning (1) multi-objective alignment (1) user intent understanding (1) deliberative agent (1) preference score (1) large language model (1) offline imitation learning (1) alignment tax (1) controllable preference optimization (1) 3h desideratum (1)

Papers

Beyond Step Pruning: Information Theory Based Step-level Optimization for Self-Refining Large Language Models AAAI 2026

KAPA: A Deliberative Agent Framework with Tree-Structured Knowledge Base for Multi-Domain User Intent Understanding ACL 2025

Uncertainty and Influence aware Reward Model Refinement for Reinforcement Learning from Human Feedback ICLR 2025

Invariant Deep Uplift Modeling for Incentive Assignment in Online Marketing via Probability of Necessity and Sufficiency ICML 2025

Rethinking Causal Ranking: A Balanced Perspective on Uplift Model Evaluation ICML 2025

Controllable Preference Optimization: Toward Controllable Multi-Objective Alignment EMNLP 2024

Offline Imitation Learning with Variational Counterfactual Reasoning NIPS 2023