... frequencyobeying power laws as a function of some popularity index (e.g., ranking). Hypertextdocuments and hyperlinks can be viewed as forming a directed graph, and theresulting graph structure ... across UNIX process life time distribution [35, 51], UNIX ®lesize distribution [35, 51], and Web document size distribution [3, 15] points towardCPU scheduling policies that make active use of ... schedulers. The service time of a task may beknown a prioriÐfor example, if related to the size of documents at Web serversÐorit may be estimated on-line. Heavy tailedness implies predictabilityÐif...