Khaled Omer1 and Daya Lobiyal2 1Faculty of Engineering, School of Computer and Syst ems Sciences, University of Aden, Yemen 2Faculty of Computer and System Science, Nehru Unive rsity, India
1School of Information Engineering, Anhui Xinhua University, China 2School of Science, Anhui Agricultural University, China 3Department of Computing and New Media Technologies, University of Wisconsin-Stevens Point, USA