André van Hoorn Matthias Rohr Wilhelm Hasselbring Generating Probabilistic and Intensity-Varying Workload for Web-Based Software Systems. 124-143 2008 SIPEW http://dx.doi.org/10.1007/978-3-540-69814-2_9 conf/sipew/2008 db/conf/sipew/sipew2008.html#HoornRH08