Combining feature selection and classification using lasso-based mco classifier for credit risk evaluation

X Li, Z Zhang, L Li, H Pan - Computational Economics, 2024 - Springer
Credit risk evaluation is a difficult task to predict default probabilities and deduce risk
classification, and many classification methods and techniques have already been applied …

Preprocessed Spectral Clustering with Higher Connectivity for Robustness in Real-World Applications

F Sadjadi, V Torra, M Jamshidi - International Journal of Computational …, 2024 - Springer
This paper introduces a novel model for spectral clustering to solve the problem of poor
connectivity among points within the same cluster as this can negatively impact the …

Alternating minimization-based sparse least-squares classifier for accuracy and interpretability improvement of credit risk assessment

Z Zhang, J He, H Zheng, J Cao, G Wang… - International Journal of …, 2023 - World Scientific
When dealing with complex and redundant data classification problems, many classifiers
cannot provide high predictive accuracy and interpretability. We also find that the least …

Accelerated multi-kernel sparse stochastic optimization classifier algorithm for explainable prediction

Z Chen, Z Zhang, S Li, J Cao - Pattern Analysis and Applications, 2024 - Springer
For classification problems, training accurate and sparse models in limited time has been a
longstanding challenge. When a large number of irrelevant and redundant features are …

Two-stage sparse multi-kernel optimization classifier method for more accurate and explainable prediction

Z Zhang, H Sun, S Li, J He, J Cao, G Cui… - Expert Systems with …, 2023 - Elsevier
Since many classifier methods cannot identify and remove redundant observations and
unrelated attributes from data, they usually give more inconsistent classification between …

A unified kernel sparse representation framework for supervised learning problems

J Ye, Z Yang, Y Zhu, Z Zhang - Neural Computing and Applications, 2024 - Springer
For supervised learning problems, a unified kernel sparse representation framework is
proposed. It is applicable to almost all supervised learners in order to look for kernel …

Sparse accelerated limited memory BFGS algorithm for feature selection and classification

Z Chen, Z Zhang, S Li, J Cao - 2023 - researchsquare.com
Training accurate and explainable models in limited time has been a longstanding
challenge for classification problems. One of the most popular techniques to cope with this …

Multi-criteria linear optimization classifier with semantically weighted kernels for Chinese word formation pattern prediction

G Gao, Z Zhang, S Kang - Procedia Computer Science, 2022 - Elsevier
For many classification methods, different features in these classification models are usually
organized into a flat and equal-length vector while semantically restrictive relations or …