Department of Computer Science, Old Dominion University, Norfolk, 23529, VA, USA. tzeng@cs.odu.edu.|Department of Computer Science, Old Dominion University, Norfolk, 23529, VA, USA. rli@cs.odu.edu.|Department of Computer Science, Old Dominion University, Norfolk, 23529, VA, USA. mukka@cs.odu.edu.|Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, 48109, MI, USA. jpye@umich.edu.|Department of Computer Science, Old Dominion University, Norfolk, 23529, VA, USA. sji@cs.odu.edu.