We present three di erent visualizations of data models, which assist the development process of Tricia, an open source Java platform used for the development of data intensive web applications. Tricia follows an introspective data model driven approach to system implementation where substantial parts of the application semantics are captured by domain-speci c models (data model, access control model and interaction model). The visualizations presented in this paper are extracted from Java code by model introspection. Based on these visualizations we identify areas for further research and system development.
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