Institution: | aDepartment of Computer Science, University of Texas at Dallas, Richardson, TX 75083, USA bDepartment of Computer Science, College of William and Mary, P.O. Box 8795, Williamsburg, VA 23187-8795, USA cSchool of Electronics and Information Engineering, Hankuk University of Foreign Studies, Korea dDepartment of Computer Science, Karlsruhe University, P.O. Box 6980, D-76128 Karlsruhe, Germany |