Opening Remarks Program Co-Chairs: Richard Draves, Microsoft Research; Robbert van Renesse, Cornell University Cloud Computing Session Chair: Marvin Theimer, Amazon.com Awarded Jay Lepreau Best Paper! DryadLINQ: A System for General-Purpose Distributed Data-Parallel Computing Using a High-Level Language Yuan Yu, Michael Isard, Dennis Fetterly, and Mihai Budiu, Microsoft Research Silicon Valley; Úl