• Spelling Errors in Korean Students’ Constructed Responses and the Efficacy of Automatic Spelling Correction on Automated Computer Scoring, Technology, knowledge and Learning, 2021
  • Analysis of Worldwide Research Trends on the Impact of Artificial Intelligence in Education, Sustainability, Vol.13, No.14, 7941, 2021
  • Exploring Latent Topics and International Research Trends in Competency-Based Education Using Topic Modeling, Education Sciences, Vol.11, No.6, 303, 2021
  • Exploring Predictive Factors of Academic Probation Using Data Mining Approach, Industrial Engineering & Management Systems, Vol.20, No.1, 69-81, 2021
  • Assessment as a learning tool and utilization of artificial intelligence: WA3I project case, 현장과학교육, Vol.13, No.3, 271-282, 2019
  • Adjusted Impact Factor by using F min Search Algorithm, Industrial Engineering & Management Systems, Vol.17, No.1, 113-119, 2018
  • Estimation and prediction under local volatility jump-diffusion model, Physica A, Vol. 491, 729-740, 2018
  • Development of simple and sensitive hydrogel based colorimetric sensor array for the real-time quantification of gaseous ammonia, Materials Science Engineering C-Materials for Biological Applications, Vol.72, pp.583-589, 2017
  • Self-correcting Ensemble Using a Latent Consensus Model, Applied Soft Computing, Vol.47, pp.262-270. 2016
  • A Multivariate GARCH Analysis on International Stock Market Integration: Korean Market Case, MSFE, Vol.21(1), pp.31-39. 2015
  • Portfolio optimization with groupwise selection, Industrial Engineering & Management Systems. Vol. 13(4), pp. 442-448. 2014
  • Parametric models and non-parametric machine learning models for predicting option prices: Empirical comparison study over KOSPI 200 Index options, Expert Systems with Applications, Vol. 41, pp. 5227-5237. 2014
  • Improved MCMC Simulation for Low-Dimensional Multi-Modal Distributions, MSFE. Vol.19, pp.49-53. 2013
  • No-arbitrage implied volatility functions: Empirical evidence from KOSPI 200 index options, Journal of Empirical Finance, Vol. 21, pp.36-53. 2013
  • Uniformly Subsampled Ensemble (USE) for Churn Management: Theory and Implementation, Expert System with Applications, Vol. 39(15), pp.11839 - 11845, 2012
  • Dynamic pattern denoising method using multi-basin system with kernels, Pattern Recognition, Vol. 44(8), pp.1698-1707, 2011
  • Barrier Option Pricing with Model Averaging Methods under Local Volatility Models, Industrial Engineering & Management Systems, Vol. 10(1), pp. 85 - 95, 2011
  • Prediction of Credit Delinquents Using Locally Transductive Multi-layer Perceptron, Neurocomputing, Vol. 73(1-3), pp.169 - 175, 2009
  • Model Averaging Methods for Estimating Implied and Local Volatility Surfaces, Industrial Engineering & Management Systems, Vol. 8(2), pp. 93 - 100, 2009