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20232026
most citedOnline Clustering of Bandits with Misspecified User Models

2 citations · 6 across the 22 of their papers we have counts for

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11 papers · 1 filter

cs.LG2025

HiLoRA: Adaptive Hierarchical LoRA Routing for Training-Free Domain Generalization

Ziyi Han, Huanyu Wang, Zeyu Zhang +3

Low-Rank Adaptation (LoRA) has emerged as a widely used technique for adapting large language models (LLMs) to new domains, due to its modular design and broad availability on plat…

cs.LG2025

Faster, Smaller, and Smarter: Task-Aware Expert Merging for Online MoE Inference

Ziyi Han, Xutong Liu, Ruiting Zhou +2

Sparse Mixture of Experts (SMoE) has become a preferred architecture for scaling Transformer capacity without increasing computational cost, as it activates only a small subset of…

cs.LG2025

Semantic Caching for Low-Cost LLM Serving: From Offline Learning to Online Adaptation

Xutong Liu, Baran Atalar, Xiangxiang Dai +5

Large Language Models (LLMs) are revolutionizing how users interact with information systems, yet their high inference cost poses serious scalability and sustainability challenges.…

cs.LG2025

Online Multi-LLM Selection via Contextual Bandits under Unstructured Context Evolution

Manhin Poon, XiangXiang Dai, Xutong Liu +3

Large language models (LLMs) exhibit diverse response behaviors, costs, and strengths, making it challenging to select the most suitable LLM for a given user query. We study the pr…

cs.LG2025

Federated In-Context Learning: Iterative Refinement for Improved Answer Quality

Ruhan Wang, Zhiyong Wang, Chengkai Huang +5

For question-answering (QA) tasks, in-context learning (ICL) enables language models to generate responses without modifying their parameters by leveraging examples provided in the…

cs.LG2025★ 2 cited

A Unified Online-Offline Framework for Co-Branding Campaign Recommendations

Xiangxiang Dai, Xiaowei Sun, Jinhang Zuo +2

Co-branding has become a vital strategy for businesses aiming to expand market reach within recommendation systems. However, identifying effective cross-industry partnerships remai…

cs.LG2025

Fusing Reward and Dueling Feedback in Stochastic Bandits

Xuchuang Wang, Qirun Zeng, Jinhang Zuo +4

This paper investigates the fusion of absolute (reward) and relative (dueling) feedback in stochastic bandits, where both feedback types are gathered in each decision round. We der…

cs.LG2025

Provable Zero-Shot Generalization in Offline Reinforcement Learning

Zhiyong Wang, Chen Yang, John C. S. Lui +1

In this work, we study offline reinforcement learning (RL) with zero-shot generalization property (ZSG), where the agent has access to an offline dataset including experiences from…

cs.LG2025

Online Clustering of Dueling Bandits

Zhiyong Wang, Jiahang Sun, Mingze Kong +4

The contextual multi-armed bandit (MAB) is a widely used framework for problems requiring sequential decision-making under uncertainty, such as recommendation systems. In applicati…

cs.LG2025

Large Language Model-Enhanced Multi-Armed Bandits

Jiahang Sun, Zhiyong Wang, Runhan Yang +3

Large language models (LLMs) have been adopted to solve sequential decision-making tasks such as multi-armed bandits (MAB), in which an LLM is directly instructed to select the arm…

cs.LG2025

Offline Learning for Combinatorial Multi-armed Bandits

Xutong Liu, Xiangxiang Dai, Jinhang Zuo +4

The combinatorial multi-armed bandit (CMAB) is a fundamental sequential decision-making framework, extensively studied over the past decade. However, existing work primarily focuse…