← Authors

Xutong Liu

17 papers · 2021–2026 · 6 conferences · across top CS/AI conferences

Achievements

πŸ—ΊοΈ Taxonomy Completionist (21) 🌍 Conference Polyglot (6) 🐝 Cross-Pollinator (12) 🌈 Renaissance Researcher (6) πŸŒ‰ Interdisciplinary Bridge 🧭 Keyword Pioneer πŸƒ Academic Marathon (5) πŸ† Grand Slam πŸ‘‘ Triple Crown 🀝 Dynamic Duo (11) πŸ”₯ Unstoppable (5) πŸ’Ž Century Club (16) ⚑ Prolific Year (6) ❓ The Questioner

Conferences

ICML (6) AAAI (3) AISTATS (2) ICLR (2) NIPS (2) UAI (2)

Top co-authors

John C.S. Lui (12) Jinhang Zuo (9) Mohammad Hajiesmaili (7) Xuchuang Wang (6) Wei Chen (6) John C. S. Lui (5) Siwei Wang (4) Zhiyong Wang (4) Shuai Li (4) Carlee Joe-Wong (3)

Keywords

regret bound (9) contextual bandit (6) multi-armed bandit (5) online learning (3) combinatorial optimization (3) federated learning (2) cooperative learning (2) collaborative filtering (1) online algorithm (1) online clustering (1) recommender system (1) influence maximization (1) approximation algorithm (1) random walk (1) combinatorial semi-bandit (1) sublinear regret (1) combinatorial bandit (1) communication complexity (1) stochastic optimization (1) differential privacy (1)

Papers

Online Multi-LLM Selection via Contextual Bandits Under Unstructured Context Evolution AAAI 2026
Fusing Reward and Dueling Feedback in Stochastic Bandits ICML 2025
Stochastic Bandits Robust to Adversarial Attacks ICLR 2025
Offline Learning for Combinatorial Multi-armed Bandits ICML 2025
Quantum Algorithm for Online Exp-concave Optimization ICML 2024
Combinatorial Multivariant Multi-Armed Bandits with Applications to Episodic Reinforcement Learning and Beyond ICML 2024
Federated Contextual Cascading Bandits with Asynchronous Communication and Heterogeneous Users AAAI 2024
Online Clustering of Bandits with Misspecified User Models NIPS 2023
Contextual Combinatorial Bandits with Probabilistically Triggered Arms ICML 2023
Exploration for Free: How Does Reward Heterogeneity Improve Regret in Cooperative Multi-agent Bandits? UAI 2023
Efficient Explorative Key-Term Selection Strategies for Conversational Contextual Bandits AAAI 2023
On-Demand Communication for Asynchronous Multi-Agent Bandits AISTATS 2023
Achieving Near-Optimal Individual Regret & Low Communications in Multi-Agent Bandits ICLR 2023
Batch-Size Independent Regret Bounds for Combinatorial Semi-Bandits with Probabilistically Triggered Arms or Independent Arms NIPS 2022
Online Competitive Influence Maximization AISTATS 2022
Federated online clustering of bandits UAI 2022
Multi-layered Network Exploration via Random Walks: From Offline Optimization to Online Learning ICML 2021