Towards a Consistent Service Lifecycle Model in Service Governance. - Michael Niemann; Michael Appel; Nicolas Repp; Ralf Steinmetz (AMCIS, 2009)

Agent-based trace learning in a recommendation-verification system for cybersecurity. - William Casey; Evan Wright; Jose Andre Morales; Michael Appel; Jeff Gennari; Bud Mishra (MALWARE, 2014)