2009
Integrated Requirement and Solution Modeling.
Proceedings of the Innovations in Information Systems Modeling, 2009

2008
Supporting Collaboration in an Extended Enterprise with the Connector View on Enterprise Models.
Proceedings of the Practice of Enterprise Modeling, First IFIP WG 8.1 Working Conference, 2008

Towards A Methodology for Modelling Interoperability between Collaborating Enterprises.
Proceedings of the ICEIS 2008, 2008

2007
Integrating Requirement and Solution Modelling: Approach and Experiences.
Proceedings of the 12th International Workshop on Exploring Modeling Methods for Systems Analysis and Design, 2007