Walid G Aref Faculty http://www.cs.purdue.edu/people/aref aref@cs.purdue.edu Jeffery S Vitter Faculty http://www.cs.purdue.edu/people/jsv jsv@cs.purdue.edu Mohamed Y El-Tabakh PhD Student http://www.cs.purdue.edu/people/meltabak meltabak@cs.purdue.edu Thanaa M Ghanem http://www.cs.purdue.edu/people/ghanemtm PhD Student ghanemtm@cs.purdue.edu Ramy M Hassan Visiting Scholar http://www.cs.purdue.edu/people/rhassan rhassan@cs.purdue.edu Ihab F Ilyas Collaborator http://db.uwaterloo.ca/~ilyas/ ilyas@uwaterloo.ca