3	13	Carnegie Mellon University, Pittsburgh, PA	Sch. of Comput. Sci., Carnegie Mellon Univ., Pittsburgh, PA
3	21	Carnegie Mellon University, Pittsburgh, PA	Computer Science Department, Carnegie Mellon University, Pittsburgh, PA
13	21	Sch. of Comput. Sci., Carnegie Mellon Univ., Pittsburgh, PA	Computer Science Department, Carnegie Mellon University, Pittsburgh, PA
