[IEEE 2013 IEEE 1st International Workshop on Communicating Business Process and Software Models Quality, Understandability, and Maintainability (CPSM) - Eindhoven, Netherlands (2013.09.23-2013.09.23)] 2013 IEEE 1st International Workshop on Communicating Business Process and Software Models Quality, Understandability, and Maintainability (CPSM) - Towards a maintainability model for business processes: Adapting a software maintainability model (position paper)