Jeongsub Choi

14 papers Journal 14
YearRankTypeTitle / Venue / Authors
2024 J jnl
Competitor identification with memory in a dynamic financial transaction network.
Ann. Oper. Res.
Jeongsub Choi, Byunghoon Kim, Ho-Shin Lee
2024 J jnl
Convolutional neural network based multi-input multi-output model for multi-sensor multivariate virtual metrology in semiconductor manufacturing.
Ann. Oper. Res.
Jeongsub Choi, Mengmeng Zhu, Jihoon Kang, Myong K. Jeong
2024 J jnl
Efficient visibility algorithm for high-frequency time-series: application to fault diagnosis with graph convolutional network.
Ann. Oper. Res.
Sangho Lee, Jeongsub Choi, Youngdoo Son
2024 J jnl
Gaussian kernel with correlated variables for incomplete data.
Ann. Oper. Res.
Jeongsub Choi, Youngdoo Son, Myong K. Jeong
2022 J jnl
A Novel Method for Identifying Competitors Using a Financial Transaction Network.
IEEE Trans. Engineering Management
Jeongsub Choi, Ali Tosyali, Byunghoon Kim, Ho-Shin Lee, Myong Kee Jeong
2022 J jnl
A modified gamma/Gompertz/NBD model for estimating technology lifetime.
Scientometrics
Myoungjae Choi, Sun-Hi Yoo, Jongtaik Lee, Jeongsub Choi, Byunghoon Kim
2022 J jnl
Object-based cluster validation with densities.
Pattern Recognit.
Behnam Tavakkol, Jeongsub Choi, Myong Kee Jeong, Susan L. Albin
2022 J jnl
Restricted Relevance Vector Machine for Missing Data and Application to Virtual Metrology.
IEEE Trans Autom. Sci. Eng.
Jeongsub Choi, Youngdoo Son, Myong K. Jeong
2021 J jnl
A dynamic graph-based approach to ranking firms for identifying key players using inter-firm transactions.
Ann. Oper. Res.
Ali Tosyali, Jeongsub Choi, Byunghoon Kim, Ho-Shin Lee, Myong K. Jeong
2021 J jnl
Methodology for assessing the contribution of knowledge services during the new product development process to business performance.
Expert Syst. Appl.
Jeongsub Choi, Byunghoon Kim, Chang Hee Han, Hyuk Hahn, Hun Park, Jaeyoung Yoo, Myong Kee Jeong
2020 J jnl
New node anomaly detection algorithm based on nonnegative matrix factorization for directed citation networks.
Ann. Oper. Res.
Ali Tosyali, Jinho Kim, Jeongsub Choi, Yunyi Kang, Myong K. Jeong
2019 J jnl
Regularized asymmetric nonnegative matrix factorization for clustering in directed networks.
Pattern Recognit. Lett.
Ali Tosyali, Jinho Kim, Jeongsub Choi, Myong K. Jeong
2017 J jnl
Data mining-based variable assessment methodology for evaluating the contribution of knowledge services of a public research institute to business performance of firms.
Expert Syst. Appl.
Jeongsub Choi, Byunghoon Kim, Hyuk Hahn, Hun Park, Yongil Jeong, Jaeyoung Yoo, Myong Kee Jeong
2016 J jnl
Patent Clustering and Outlier Ranking Methodologies for Attributed Patent Citation Networks for Technology Opportunity Discovery.
IEEE Trans. Engineering Management
Andrew Rodriguez, Ali Tosyali, Byunghoon Kim, Jeongsub Choi, Jae-Min Lee, Byoung-Youl Coh, Myong K. Jeong