no code implementations • 7 Feb 2024 • Zhongyi Hu, Robin Evans
\emph{Maximal ancestral graph} (MAGs) is a class of graphical model that extend the famous \emph{directed acyclic graph} in the presence of latent confounders.
no code implementations • 24 May 2022 • Ledan Qian, Xiao Zhou, Yi Li, Zhongyi Hu
As an essential prerequisite for developing a medical intelligent assistant system, medical image segmentation has received extensive research and concentration from the neural network community.
no code implementations • 23 Feb 2019 • Zhongyi Hu, Raymond Chiong, Ilung Pranata, Willy Susilo, Yukun Bao
Malicious web domains represent a big threat to web users' privacy and security.
no code implementations • 19 Oct 2018 • Zhongyi Hu, Raymond Chiong, Ilung Pranata, Yukun Bao, Yuqing Lin
Practical implications: This study not only inspires the practical use of online credibility and performance data for identifying malicious web domains, but also provides an effective resampling approach for handling the class imbal-ance issue in the area of malicious web domain identification.
no code implementations • 15 Jun 2014 • Tao Xiong, Yukun Bao, Zhongyi Hu
Highly accurate interval forecasting of electricity demand is fundamental to the success of reducing the risk when making power system planning and operational decisions by providing a range rather than point estimation.
no code implementations • 11 Jan 2014 • Yukun Bao, Tao Xiong, Zhongyi Hu
As a well-known intelligent algorithm, the standard formulation of Support Vector Regression (SVR) could be taken for multi-step-ahead time series prediction, only relying either on iterated strategy or direct strategy.
no code implementations • 11 Jan 2014 • Tao Xiong, Yukun Bao, Zhongyi Hu
Following the "decomposition-and-ensemble" principle, the empirical mode decomposition (EMD)-based modeling framework has been widely used as a promising alternative for nonlinear and nonstationary time series modeling and prediction.
no code implementations • 9 Jan 2014 • Yukun Bao, Zhongyi Hu, Tao Xiong
Addressing the issue of SVMs parameters optimization, this study proposes an efficient memetic algorithm based on Particle Swarm Optimization algorithm (PSO) and Pattern Search (PS).
no code implementations • 9 Jan 2014 • Tao Xiong, Yukun Bao, Zhongyi Hu
In terms of statistical criteria, we compare the out-of-sample forecasting using goodness-of-forecast measures and testing approaches.
no code implementations • 8 Jan 2014 • Tao Xiong, Yukun Bao, Zhongyi Hu
An accurate prediction of crude oil prices over long future horizons is challenging and of great interest to governments, enterprises, and investors.
no code implementations • 31 Dec 2013 • Yukun Bao, Tao Xiong, Zhongyi Hu
Multi-step-ahead time series prediction is one of the most challenging research topics in the field of time series modeling and prediction, and is continually under research.