Khalid Nahar1, Husni AlMuhtaseb1, Wasfi AlKhatib1, Moustafa Elshafei1, and Mansour Alghamdi2 1College of Computer Science and Engineering, King F ahd University of
Safdar Shaheen1, Muhammad Yousaf1, and Mudassar Jalil2 1Riphah Institute of Systems Engineering, Riphah International University, Pakistan 2Department of Mathematics, COMSAT Institute of Information Technology, Pakistan