activity
20192023
most citedA New Algorithm for Non-stationary Contextual Bandits: Efficient, Optimal, and Parameter-free

39 citations · 65 across the 9 of their papers we have counts for

collaborators

10 papers

cs.LG2023

Active Representation Learning for General Task Space with Applications in Robotics

Yifang Chen, Yingbing Huang, Simon S. Du +2

Representation learning based on multi-task pretraining has become a powerful approach in many domains. In particular, task-aware representation learning aims to learn an optimal r…

cs.LG20221 cited

Improved Adaptive Algorithm for Scalable Active Learning with Weak Labeler

Yifang Chen, Karthik Sankararaman, Alessandro Lazaric +6

Active learning with strong and weak labelers considers a practical setting where we have access to both costly but accurate strong labelers and inaccurate but cheap predictions pr…

cs.LG20221 cited

Active Multi-Task Representation Learning

Yifang Chen, Simon S. Du, Kevin Jamieson

To leverage the power of big data from source tasks and overcome the scarcity of the target task samples, representation learning based on multi-task pretraining has become a stand…

cs.LG2021

Corruption Robust Active Learning

Yifang Chen, Simon S. Du, Kevin Jamieson

We conduct theoretical studies on streaming-based active learning for binary classification under unknown adversarial label corruptions. In this setting, every time before the lear…

cs.LG20214 cited

Improved Corruption Robust Algorithms for Episodic Reinforcement Learning

Yifang Chen, Simon S. Du, Kevin Jamieson

We study episodic reinforcement learning under unknown adversarial corruptions in both the rewards and the transition probabilities of the underlying system. We propose new algorit…

quant-ph20201 cited

More Practical and Adaptive Algorithms for Online Quantum State Learning

Yifang Chen, Xin Wang

Online quantum state learning is a recently proposed problem by Aaronson et al. (2018), where the learner sequentially predicts -qubit quantum states based on given measurements…