@conference{GBF+17, author = {Philipp Grubitzsch and Iris Braun and Heiko Fichtl and Thomas Springer and Tenshi Hara and Alexander Schill}, title = {ML-SLA: Multi-Level Service Level Agreements for Highly Flexible IoT Services}, booktitle = {2nd IEEE International Congress on Internet of Things (ICOIT)}, year = {2017}, address = {Honolulu, HI, USA}, month = {6}, organization = {IEEE} }