Department of Computer Science, Rensselaer Polytechnic Institute Troy, NY 12180, USA. demir@cs.rpi.edu|Department of Computer Science, Rensselaer Polytechnic Institute Troy, NY 12180, USA. demir@cs.rpi.edu|Department of Computer Science, Rensselaer Polytechnic Institute Troy, NY 12180, USA. demir@cs.rpi.edu