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Author

Chen Zhu

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Open access Oct 2026

Swarm-optimized heterogeneous ensemble with quantile regression for small-sample long-tailed distribution prediction

Predicting maintenance costs for industrial equipment faces the dual challenges of small sample sizes and long-tailed data distributions. Existing methods struggle to ensure both point prediction accuracy and reliable intervals for the tail. This paper proposes the Swarm-driven Adaptive Data Augmentation and Heterogene...

Chen Zhu, Sheng-Xiang Sun, Yi-Ming Zhao et al. · 0 citations
Open access Aug 2026

Ensemble–based instance selection for multi–target regression using kernel sparse modeling

The proposed method introduces Sparse Modeling Representative Selection (SMRS) to characterize the self-representativeness of instances, where a block-sparse coefficient matrix is learned to identify representative training samples.

Jing Li, Sheng-Xiang Sun, Mingchi Lin et al. · 0 citations

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