Building a Cloud for Yahoo! - Brian F. Cooper; Eric Baldeschwieler; Rodrigo Fonseca; James J. Kistler; P. P. S. Narayan; Chuck Neerdaels; Toby Negrin; Raghu Ramakrishnan 001; Adam Silberstein; Utkarsh Srivastava; Raymie Stata (IEEE Data Eng. Bull., 2009)