Mathematical Problems in Engineering
Volume 2012 (2012), Article ID 759548, 7 pages
http://dx.doi.org/10.1155/2012/759548

Optimization Theory, Methods, and Applications in Engineering

¹Department of Business Management, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 10608, Taiwan
²Program in Industrial and Systems Engineering, University of Minnesota, 111 Church Street SE, Minneapolis, MN 55455, USA
³Antai College of Economics & Management, Shanghai Jiao Tong University, Room 423, North Building, 535 Fahua Zhen Road, Changning, Shanghai 200052, China
⁴Department of Business Administration, Chung Yuan Christian University, Chung-Li 320, Taiwan
⁵Department of Information and Electronic Engineering, Muroran Institute of Technology, 27-1 Mizumoto-cho, Muroran 050-8585, Japan

Received 4 September 2012; Accepted 4 September 2012