Affiliation: | 1. Department of Information and Communication Engineering, Chaoyang University of Technology, Taichung, Taiwan;2. Department of Mathematics, Graduate Institute of Statistics and Information Science, National Changhua University of Education, Changhua, Taiwan;3. Department of Industrial Education and Technology, National Changhua University of Education, Changhua, Taiwan;4. Department of Operation, Visitor Service, Collection and Information Management, National Museum of Natural Science, Taichung, Taiwan;1. Department of Mathematics and Computer Science, TU Eindhoven, P.O. Box 513, 5600 MB Eindhoven, Netherlands;2. Bergische Universität Wuppertal, Rainer-Gruenter-Street 21, Wuppertal 42119, Germany;3. France Telecom/R&D/BIZZ/DIAM 905, rue Albert Einstein, Sophia-Antipolis Cedex F-06921, France |