Giovanni Pacifici Wolfgang Segmuller Mike Spreitzer Asser N. Tantawi CPU demand for web serving: Measurement analysis and dynamic estimation. 531-553 2008 65 Perform. Eval. 6-7 http://dx.doi.org/10.1016/j.peva.2007.12.001 db/journals/pe/pe65.html#PacificiSST08