On the relationship of cryptocurrency price with us stock and gold price using copula models

JM Kim, ST Kim, S Kim - Mathematics, 2020 - mdpi.com
This paper examines the relationship of the leading financial assets, Bitcoin, Gold, and S&P
500 with GARCH-Dynamic Conditional Correlation (DCC), Nonlinear Asymmetric GARCH …

High-speed train fault detection with unsupervised causality-based feature extraction methods

Y Xu, J Liu - Advanced Engineering Informatics, 2021 - Elsevier
With the development of smart sensors, large amount of operating data collected from a
complex system as a high-speed train providing opportunities in efficient and effective fault …

Causality-based adversarial attacks for robust GNN modelling with application in fault detection

J Liu, Z He, Y Miao - Reliability Engineering & System Safety, 2024 - Elsevier
Fault detection techniques based on graph neural networks have been a trending topic. With
the issue of poor robustness, the accuracy relies highly on the quality of the monitoring data …

Patent big data analysis using fuzzy learning

S Park, SJ Lee, S Jun - International Journal of Fuzzy Systems, 2017 - Springer
Big data has had an immense effect on most social and industrial fields. It has three main
characteristics, namely volume, variety, and velocity. Volume refers to the tremendous size …

Sustainable technology analysis of artificial intelligence using Bayesian and social network models

J Kim, S Jun, D Jang, S Park - Sustainability, 2018 - mdpi.com
Recent developments in artificial intelligence (AI) have led to a significant increase in the
use of AI technologies. Many experts are researching and develo** AI technologies in …

A patent analysis for sustainable technology management

J Choi, S Jun, S Park - Sustainability, 2016 - mdpi.com
Technology analysis (TA) is an important issue in the management of technology. Most R&D
(Research & Development) policies have depended on diverse TA results. Traditional TA …

Text Case‐Based Reasoning Framework for Fault Diagnosis and Predication by Cloud Computing

Z Zhong, T Xu, F Wang, T Tang - Mathematical Problems in …, 2018 - Wiley Online Library
In Discrete Event System, such as railway onboard system, overwhelming volume of textual
data is recorded in the form of repair verbatim collected during the fault diagnosis process …

Bayesian count data modeling for finding technological sustainability

S Jun - Sustainability, 2018 - mdpi.com
Technology developments change society, and society demands new and innovative
technology developments. We analyze technology to understand society and technology …

Causal inference of multivariate time series in complex industrial systems

X Liang, K Hao, L Chen, X Cai, L Hao - Advanced Engineering Informatics, 2024 - Elsevier
In complex industrial systems, causal inference plays a crucial role in improving production
and tracing faults. The causal inference of industrial systems encompasses two main steps …

Patent data analysis of artificial intelligence using bayesian interval estimation

D Uhm, JB Ryu, S Jun - Applied Sciences, 2020 - mdpi.com
Technology analysis is one of the important tasks in technology and industrial management.
Much information about technology is contained in the patent documents. So, patent data …