Rainer Hauser Michael Friess Jochen Malte Küster Jussi Vanhatalo Combining Analysis of Unstructured Workflows with Transformation to Structured Workflows. 129-140 2006 conf/edoc/2006 EDOC http://doi.ieeecomputersociety.org/10.1109/EDOC.2006.21 db/conf/edoc/edoc2006.html#HauserFKV06