Pitfalls of OWL-S: a practical semantic web use case. - Steffen Balzer; Thorsten Liebig; Matthias Wagner 001 (ICSOC, 2004)

Bridging the Gap between Abstract and Concrete Services - A Semantic Approach for Grounding OWL-S. - Steffen Balzer; Thorsten Liebig (SWS@ISWC, 2004)

Knowledge-based Middleware as an Architecture for Planning and Scheduling Systems. - Bernd Schattenberg; Steffen Balzer; Susanne Biundo (ICAPS, 2006)

Realizing Hybrid Planning Systems as Modern Software Environments. - Bernd Schattenberg; Steffen Balzer; Susanne Biundo (Künstliche Intell., 2007)