Yeong-Seok Seo is an Assistant Professor in the Department of Computer Engineering, Yeungnam University, Korea. His research interests include Software cost estimation, Software Measurement, Mining Software Repositories, Software modularization, and Artificial Intelligence. He received the B.S. degree in computer science from Soongsil University, Korea, and the M.S. and Ph.D. degrees in computer science from Korea Advanced Institute of Science and Technology (KAIST), Korea. He was a postdoctoral researcher in KAIST institute for Information and Electronics. Prior to joining Yeungnam University, he was a senior researcher in Korea Testing Laboratory (KTL), Korea.