Department of Computer Science, University of Central Arkansas, Conway, AR 72035, USA. skockara@uca.edu|Department of Computer Science, University of Central Arkansas, Conway, AR 72035, USA. skockara@uca.edu|Department of Computer Science, University of Central Arkansas, Conway, AR 72035, USA. skockara@uca.edu|Department of Computer Science, University of Central Arkansas, Conway, AR 72035, USA. skockara@uca.edu|Department of Computer Science, University of Central Arkansas, Conway, AR 72035, USA. skockara@uca.edu