1. Purdue University,Department of Computer Science,West Lafayette,IN,USA
2. University of Oregon,Department of Physics,Eugene,OR,USA
3. University of Maryland, Baltimore County,Department of Information Systems,Baltimore,MD,USA
4. University of Maryland, College Park,Department of Information Studies,College Park,MD,USA
5. Marriotts Ridge High School, Maryland,Ellicott City,MD,USA
6. Texas Advanced Computing Center, University of Texas at Austin,Austin,TX,USA
7. Dartmouth College,Department of Earth Sciences,Hanover,NH,USA