XCS for Self-awareness in Autonomous Computing Systems / by Tim Hansmeier ; [Supervisors: Prof. Dr. Marco Platzner, Reviewers: Prof. Dr. Marco Platzner, Prof. Dr. David Andrews, Prof. Dr. Sybille Hellebrand, Oral examination committee: Prof. Dr. Marco Platzner, Prof. Dr. David Andrews, Prof. Dr. Sybille Hellebrand, Jun.-Prof. Dr. Sebastian Peitz, Dr. Heinrich Riebler]