Takayuki Imada Mitsuhisa Sato Yoshihiko Hotta Hideaki Kimura Power management of distributed web savers by controlling server power state and traffic prediction for QoS. 1-8 2008 IPDPS http://dx.doi.org/10.1109/IPDPS.2008.4536221 conf/ipps/2008 db/conf/ipps/ipdps2008.html#ImadaSHK08