1. Department of Computer Science, United International University, Dhaka 1212, Bangladesh
2. Department of Electrical and Electronic Engineering, Islamic University of Technology, Gazipur 1704, Bangladesh
3. College of Information Sciences and Technology, Pennsylvania State University—University Park, University Park, PA 16802, USA
4. Department of Information Systems, University of Maryland—Baltimore, Baltimore, MD 21201, USA
5. Department of Computer Science, University of Minnesota—Duluth, Duluth, MN 55812, USA