Customer Preference Analysis Based on SNS Data. - Jaesung Kim; Minhyeok Yang; Yeongjae Hwang; Sunghyeon Jeon; K. Y. Kim; Insun Jung; Chi-Hwan Choi; Wan-Sup Cho; Jonghwa Na (CGC, 2012)

Performance Evaluation of Apache Spark According to the Number of Nodes using Principal Component Analysis. - Sungjin Hong; Sangho Kim; Jongsun Jang; Chi-Hwan Choi; Insun Jung; Jonghwa Na; Wan-Sup Cho; Su-Young Chi (BigDAS, 2015)