Parasol Lab, Department of Computer Science, Texas A&M University, College Station, TX 77843, USA.|Parasol Lab, Department of Computer Science, Texas A&M University, College Station, TX 77843, USA.|Parasol Lab, Department of Computer Science, Texas A&M University, College Station, TX 77843, USA.|Parasol Lab, Department of Computer Science, Texas A&M University, College Station, TX 77843, USA.