1. Riken-AIP,Computational Learning Theory Team,Fukuoka,Japan,819-0395
2. Prince Sattam Bin Abdulaziz University,College of Engineering,Wadi Aldwaser,Saudi Arabia,11991
3. Kyushu University,Department of Informatics,Fukuoka,Japan,819-0395
4. Idaho State University,Department of Electrical and Computer Engineering,Pocatello,ID,USA,83209
5. Western University,Department of Computer Science,London,ON,Canada,N6A 3K7