I received the B.S. degree in information management from National Taiwan University, Taiwan, in 1997, and the M.S. degree in computer science from National Taiwan University, Taiwan, under the supervision of Prof. Ming Ouhyoung, in 1999, and the Ph.D. degree in computer science from National Tsing Hua University, Taiwan, under the supervision of Prof. Shi-Nine Yang, in 2004. From 2005 to 2009, I worked in Institute of Information Science, Academia Sinica, under the supervision of Dr. Lee-Feng Chien and Dr. Hsin-Min Wang. The major work is academic research and Taiwan e-Learning and Digital Archives Program. From 2009 to 2024, I was recruited by Department of Computer Science and Information Engineering, National Chiayi University. In Feb. 2024, I joined Department of Computer Science and Information Engineering, National Chung Cheng University. My research interests include information retrieval, multimedia indexing, data mining, and computer vision.