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Semantic Interoperability through the Definition of Conceptual Model Transformations

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The integration of distributed geospatial data is a great issue in GI Science. Hereby, the collection of data from different systems and different structures as well as across country borders is a problem. We explain a model-based four-step approach to conceptual data modelling. Within this approach, we introduce a methodology to map data models on the conceptual level without touching data formats. First, we developed a conceptual mapping language called “UMLT” which is the core of our approach. Furthermore, we integrated UMLT into the Model-Driven Architecture where a conceptual model mapping is referred to as a platform independent model mapping. Finally, the data format transformation is deduced from the model mapping automatically. This represents the implementation mapping from a platform independent model to a platform specific model. Together with transformation operations for attribute mapping, this approach is a means for effective and enhanced semantic interoperability.
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Keywords: Conceptual Data Modelling; Interoperability; Model Driven Architecture; Model Mapping; Model Transformation; Ontology

Document Type: Research Article

Affiliations: Institute of Geodesy and Photogrammetry Zurich, Switzerland

Publication date: April 1, 2008

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