Department of Computer Science, Baylor University, Waco, USA. Erich_Baker@Baylor.edu|Department of Computer Science, Baylor University, Waco, USA. Erich_Baker@Baylor.edu|Department of Computer Science, Baylor University, Waco, USA. Erich_Baker@Baylor.edu|Department of Computer Science, Baylor University, Waco, USA. Erich_Baker@Baylor.edu|Department of Computer Science, Baylor University, Waco, USA. Erich_Baker@Baylor.edu