Faculty of Information and Communication Technology,Mahidol University,Nakhon Pathom 73170,Thailand;
Department of Industrial Engineering,Ulsan National Institute of Science and Technology,Ulsan 44919,Republic of Korea;
Institute for the 4th Industrial Revolution,Ulsan National Institute of Science and Technology,Ulsan 44919,Republic of Korea;
Investment support system; Stock data visualization; Time series analysis; Ensemble machine learning; Text mining;