TY - CONF TI - Specifying Separation of Duty Constraints in BPEL4People Processes AF - Proc. of the 11th International Conference on Business Information Systems (BIS), Lecture Notes in Business Information Processing (LNBIP), Vol. 7 PP - Innsbruck SN - 978-3-540-79395-3 PB - Springer SP - 273 EP - 284 PY - 2008-12-01 AU - Mendling, Jan AU - Ploesser, Karsten AU - Strembeck, Mark ER -