Combining Analysis of Unstructured Workflows with Transformation to Structured Workflows. - Rainer Hauser; Michael Friess; Jochen Malte Küster; Jussi Vanhatalo (EDOC, 2006)

A Platform Independent Model for Service Oriented Architectures. - Gorka Benguria Elguezabal; Xabier Larrucea; Brian Elvesæter; Tor Neple; Anthony Beardsmore; Michael Friess (I-ESA, 2006)

An Incremental Approach to the Analysis and Transformation of Workflows Using Region Trees. - Rainer Hauser; Michael Friess; Jochen Malte Küster; Jussi Vanhatalo (IEEE Trans. Syst. Man Cybern. Part C, 2008)