Computing traffic congestion degree using SNS-based graph structure. - Putu Y. Kusmawan; Bonghee Hong; Seungwoo Jeon; Jiwan Lee; Joonho Kwon (AICCSA, 2014)

Graph Summarization Using Word Correlation Analysis on Large Set of Documents. - Putu Y. Kusmawan; Joonho Kwon (DASFAA Workshops, 2014)