Author

Zhao-Sheng Xu

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Open access Sep 2026

Sentiment classification optimization based on improved Senti-BERT and BiLSTM-Attention

This study focuses on the problem of insufficient accuracy in sentiment classification in complex texts and multimodal scenarios. A sentiment classification optimization method is proposed, which integrates a bidirectional encoder representation Transformer model for sentiment analysis (Senti-BERT)and a bidirectional L...

Jie Zhang, Jian-Bang Liu, Zhao-Sheng Xu · PLoS ONE · 0 citations

Open access Jul 2026

Sparse Ergodic Control with Control-Dependent Noise via Physics-Informed Neural Networks

To address the discontinuous ℓ0-type sparsity penalty, smooth non-convex sparsity approximations are introduced that preserve differentiability while retaining sparse threshold behavior and characterize a quasi-threshold sparse structure of the resulting optimal feedback policies in non-affine stochastic systems with c...

Zhao-Sheng Xu, Jianbang Liu, Mei Choo Ang et al. · Electronics · 0 citations