@techreport{BarrosBaumannCharfietal.2011, author = {Alistair Barros and Christian Baumann and Anis Charfi and Steffen Heinzl and Tom Kiemes and Uwe Kylau and Norman May and Oliver M{\"u}ller and Francesco Novelli and Daniel Oberle and Philip Robinson and Benjamin Schmeling and Wolfgang Theilmann and Heiko Witteborg}, title = {Unified Service Description Language (USDL) - Interaction Module, Version 3.0, Milestone M5, Technical Report}, year = {2011}, }