Safe Screening
Safe screening is a technique used to accelerate the training of machine learning models by preemptively identifying and removing irrelevant data points or features before the main optimization process. Current research focuses on developing and refining safe screening rules for various model types, including support vector machines, linear and logistic regression, and optimal transport problems, often incorporating techniques like distributionally robust optimization to enhance robustness. These advancements significantly reduce computational costs for large-scale datasets, impacting fields like genetics, computer vision, and natural language processing where high-dimensional data is common, and improving the efficiency of existing algorithms.