Search Results for author: Tiancheng Zhang

Found 3 papers, 0 papers with code

Bayesian Personalized Federated Learning with Shared and Personalized Uncertainty Representations

no code implementations27 Sep 2023 Hui Chen, Hengyu Liu, Longbing Cao, Tiancheng Zhang

BPFL aims to quantify the uncertainty and heterogeneity within and across clients towards uncertainty representations by addressing the statistical heterogeneity of client data.

Personalized Federated Learning

A Probabilistic Generative Model for Tracking Multi-Knowledge Concept Mastery Probability

no code implementations17 Feb 2023 Hengyu Liu, Tiancheng Zhang, Fan Li, Minghe Yu, Ge Yu

To better model students' exercise responses, we proposed a logarithmic linear model with three interactive strategies, which models students' exercise responses by considering the relationship among students' knowledge status, knowledge concept, and problems.

Knowledge Tracing

Learning Rate Perturbation: A Generic Plugin of Learning Rate Schedule towards Flatter Local Minima

no code implementations25 Aug 2022 Hengyu Liu, Qiang Fu, Lun Du, Tiancheng Zhang, Ge Yu, Shi Han, Dongmei Zhang

Learning rate is one of the most important hyper-parameters that has a significant influence on neural network training.

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