Katerina Goseva-Popstojanova Ajay Deep Singh Sunil Mazimdar Fengbin Li Empirical Characterization of Session-Based Workload and Reliability for Web Servers. 71-117 2006 11 Empirical Software Engineering 1 http://dx.doi.org/10.1007/s10664-006-5966-7 db/journals/ese/ese11.html#Goseva-PopstojanovaSML06