Ningfang Mi Alma Riska Xin Li Evgenia Smirni Erik Riedel Restrained utilization of idleness for transparent scheduling of background tasks. 205-216 2009 SIGMETRICS/Performance http://doi.acm.org/10.1145/1555349.1555373 conf/sigmetrics/2009 db/conf/sigmetrics/sigmetrics2009.html#MiRLSR09