P. Sriplakich, X. Blanc and M. P. Gervais, “Supporting Collaborative Development in an Open MDA Envir- onment,” Proceedings of 22nd IEEE International Con- ference on Software Maintenance, Los Alamitos, 2006, pp. 244-253.
 C. L. Ignat and M. C. Norrie, “Flexible Definition and Resolution of Conflicts through Multi-level Editing,” Proceedings of IEEE 2nd International Conference on Collaborative Computing, Atlanta, 2006, pp. 10-19.
 A. Mehra, J. Grundy and J. A Hosking, “Generic App- roach to Supporting Diagram Differencing and Merging for Collaborative Design,” Proceedings of ACM/IEEE International Conference on Automated Software Engi- neering, Long Beach, 2005, pp 204-213.
 S. Fortsch and B. Westfechtel, “Differencing and Merging of Software Diagrams-State of the Art and Challenges,” Proceedings of International Conference on Software and Data Technologies, Barcelona, 2007, pp. 90-99.
 D. E. Perry, H. P. Siy and L. G. Votta, “Parallel Changes in Large Scale Software Development: An Observational Case Study,” Proceedings of International Conference on Software Engineering, Kyoto, 1998, pp. 251-260.
 S. Ronnau, C. Pauli and U. M. Borghoff, “Merging Chan- ges in XML Documents Using Reliable Context Finger- prints,” Proceedings of 8th ACM symposium on Document Engineering, Sao Paulo, 2008, pp. 52-61.
 M. Sabetzadeh, S. Nejati, S. Liaskos, S. Easterbrook and M. Chechik, “Consistency Checking of Conceptual Models Via Model Merging,” Proceedings of 15th IEEE International Requirements Engineering Conference, New Delhi, 2007, pp. 221-230.
 X. Blanc, I. Mounier, A. Mougenot and T. Mens, “Detec- ting Model Inconsistency through Operation-Based Model Construction,” Proceedings of International Conference on Software Engineering, Leipzig, 2008, pp. 511-519.
 P. Apiwattanapong, N. Orso and M. J. Harrold, “A Diff- erencing Algorithm for Object-Oriented Programs,” Proc- eedings of 19th International Conference on Automated Software Engineering, Linz, 2007, pp. 2-13.