collaborators

6 papers

cs.AI2023

Drugs Resistance Analysis from Scarce Health Records via Multi-task Graph Representation

Honglin Shu, Pei Gao, Lingwei Zhu +1

Clinicians prescribe antibiotics by looking at the patient's health record with an experienced eye. However, the therapy might be rendered futile if the patient has drug resistance…

cs.LG2023

Generalized Munchausen Reinforcement Learning using Tsallis KL Divergence

Lingwei Zhu, Zheng Chen, Matthew Schlegel +1

Many policy optimization approaches in reinforcement learning incorporate a Kullback-Leilbler (KL) divergence to the previous policy, to prevent the policy from changing too quickl…

cs.DB2023

Efficient Black-box Checking of Snapshot Isolation in Databases

Kaile Huang, Si Liu, Zhenge Chen +4

Snapshot isolation (SI) is a prevalent weak isolation level that avoids the performance penalty imposed by serializability and simultaneously prevents various undesired data anomal…

cs.LG2022

Automated Cancer Subtyping via Vector Quantization Mutual Information Maximization

Zheng Chen, Lingwei Zhu, Ziwei Yang +1

Cancer subtyping is crucial for understanding the nature of tumors and providing suitable therapy. However, existing labelling methods are medically controversial, and have driven…

cs.LG2022

Enforcing KL Regularization in General Tsallis Entropy Reinforcement Learning via Advantage Learning

Lingwei Zhu, Zheng Chen, Eiji Uchibe +1

Maximum Tsallis entropy (MTE) framework in reinforcement learning has gained popularity recently by virtue of its flexible modeling choices including the widely used Shannon entrop…

cs.LG2022

-Munchausen Reinforcement Learning

Lingwei Zhu, Zheng Chen, Eiji Uchibe +1

The recently successful Munchausen Reinforcement Learning (M-RL) features implicit Kullback-Leibler (KL) regularization by augmenting the reward function with logarithm of the curr…