Institution: | 1. Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka, 819-0395, Japan;2. School of Information Science, Japan Advanced Institute of Science and Technology, Ishikawa, 923-1292, Japan;3. Graduate School of Engineering, Kobe University, Kobe, 657-8501, Japan;4. National Institute of Informatics, Tokyo, 101-8430, Japan |