TOPOLOGICAL MODELING FOR ENTERPRISE DATA SYNCHRONIZATION SYSTEM - A Case Study of Topological Model-driven Software Development Topics: Model Driven Architectures and Engineering; Modeling Formalisms, Languages, and Notations (e.g. UML, ER variants); Software Engineering; Tools, Techniques and Methodologies for System Development In Proceedings of the 13th International Conference on Enterprise Information Systems - Volume 4: ICEIS, 87-96, 2011 , Beijing, China