2020 Issues Vol. 1, No. 2 Vol. 1, No. 1 Current Issue Current Issue Volume 1, Number 2, 2020 December A Study on the Advertising Effect by Virtual Advertisement Information and Perceived Intrusion, Eun Hee Kim (pp. 1-8). A Prediction Model for Steel Factory Manufacturing Product Based on Energy Consumption Using Data Mining Technique, A. B. M. Salman Rahman, Myeongbae Lee, Jonghyun Lim, Yongyun Cho and Changsun Shin (pp. 9-16). GNSS Component Modeling for Business Process-Oriented System, Sang Young Lee (pp. 17-24). IIOT Security Privacy and Trust Modeling for SCADA Systems, Lifeng Chen, Shanyue Jin and Zhixiao Ye (pp. 25-32). The Application of the BP Neural Network in Time Series Prediction, Joje Sicad (pp. 33-44).