Department of Computer Science, San Diego State University, CA, USA. rschmied@sciences.sdsu.edu.|Department of Computer Science, San Diego State University, CA, USA. rschmied@sciences.sdsu.edu.|Department of Computer Science, San Diego State University, CA, USA. rschmied@sciences.sdsu.edu.|Department of Computer Science, San Diego State University, CA, USA. rschmied@sciences.sdsu.edu.