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yunfeng shao

7 accepted papers

2023

A constrained Bayesian approach to out-of-distribution prediction

UAI 2023poster

Consider the problem of out-of-distribution prediction given data from multiple environments. While a sufficiently diverse collection of training environments will facilitate the identification of an invariant predictor, with an optimal generalization performance, many applications only provide us w…

Cited by 0SourcePDFScholar
2023

Generative Flow Networks for Precise Reward-Oriented Active Learning on Graphs

IJCAI 2023poster

Many score-based active learning methods have been successfully applied to graph-structured data, aiming to reduce the number of labels and achieve better performance of graph neural networks based on predefined score functions. However, these algorithms struggle to learn policy distributions that a…

Cited by 3SourcePDFScholar
2022

Asymmetric Temperature Scaling Makes Larger Networks Teach Well Again

NeurIPS 2022accept

Knowledge Distillation (KD) aims at transferring the knowledge of a well-performed neural network (the {\it teacher}) to a weaker one (the {\it student}). A peculiar phenomenon is that a more accurate model doesn't necessarily teach better, and temperature adjustment can neither alleviate the mismat…

Cited by 39SourcePDFScholar
2022

Federated Learning With Position-Aware Neurons

CVPR 2022poster

Federated Learning (FL) fuses collaborative models from local nodes without centralizing users' data. The permutation invariance property of neural networks and the non-i.i.d. data across clients make the locally updated parameters imprecisely aligned, disabling the coordinate-based parameter averag…

Cited by 44PDFcodeScholar
2022

Model-Based Offline Reinforcement Learning with Pessimism-Modulated Dynamics Belief

NeurIPS 2022accept

Model-based offline reinforcement learning (RL) aims to find highly rewarding policy, by leveraging a previously collected static dataset and a dynamics model. While the dynamics model learned through reuse of the static dataset, its generalization ability hopefully promotes policy learning if prope…

2022

Personalized Federated Learning via Variational Bayesian Inference

ICML 2022spotlight

Federated learning faces huge challenges from model overfitting due to the lack of data and statistical diversity among clients. To address these challenges, this paper proposes a novel personalized federated learning method via Bayesian variational inference named pFedBayes. To alleviate the overfi…

Cited by 122SourcePDFScholar
2020

Bidirectional Adversarial Training for Semi-Supervised Domain Adaptation

IJCAI 2020poster

Semi-supervised domain adaptation (SSDA) is a novel branch of machine learning that scarce labeled target examples are available, compared with unsupervised domain adaptation. To make effective use of these additional data so as to bridge the domain gap, one possible way is to generate adversarial e…

Cited by 0SourcePDFScholar