Department of Computer Science, Rensselaer Polytechnic Institute, Troy, NY 12180, USA. kverdi@alum.rpi.edu <kverdi@alum.rpi.edu>|Department of Computer Science, Rensselaer Polytechnic Institute, Troy, NY 12180, USA. kverdi@alum.rpi.edu <kverdi@alum.rpi.edu>|Department of Computer Science, Rensselaer Polytechnic Institute, Troy, NY 12180, USA. kverdi@alum.rpi.edu <kverdi@alum.rpi.edu>