00357nas a2200145   4500000000100000000000100001008004100002260002700043100001700070700001800087700002000105245006500125300001400190490000700204       2001                            d  bACMaNew York, NY, USA1 aOscar Ardaiz1 aFelix Freitag1 aLeandro Navarro00aEstimating the service time of web clients using server logs  a108–1230 v31