2 papers
q-fin.ST2025
Online Ensemble Learning for Sector Rotation: A Gradient-Free Framework
Jiaju Miao, Pawel Polak
We propose a gradient-free online ensemble learning algorithm that dynamically combines forecasts from a heterogeneous set of machine learning models based on their recent predicti…
cs.LG2025
Ensemble of Precision-Recall Curve (PRC) Classification Trees with Autoencoders
Jiaju Miao, Wei Zhu
Anomaly detection underpins critical applications from network security and intrusion detection to fraud prevention, where recognizing aberrant patterns rapidly is indispensable. P…