TY - CONF AU - Hölscher, Christian AU - Zimmer, Detmar AU - Keßler, Jan Henning AU - Kruger, Martin AU - Trächtler, Ansgar ID - 22370 SN - 978-1-467303-12-5 T2 - IEEE International Conference on Industrial Informatics TI - Hierarchical optimization of coupled self-optimizing systems VL - 10 ER -