An introduction to structured modeling
Management Science
Logic modeling: a tool for management science
Decision Support Systems
An introduction to model integration and integrated modeling environments
Decision Support Systems
Model integration and a theory of models
Decision Support Systems - Special issue on model management systems
Object-oriented software construction (2nd ed.)
Object-oriented software construction (2nd ed.)
Structure and Interpretation of Computer Programs
Structure and Interpretation of Computer Programs
The UNIX Programming Environment
The UNIX Programming Environment
Environmental Modelling & Software
Environmental Modelling & Software
Space, time and nesting Integrated Assessment Models
Environmental Modelling & Software
Background, Road and Urban Transport modelling of Air quality Limit values (The BRUTAL model)
Environmental Modelling & Software
Environmental Modelling & Software
Original papers: Linking models for assessing agricultural land use change
Computers and Electronics in Agriculture
Qualitative modeling in the landscape development monitoring
Proceedings of the 15th WSEAS international conference on Systems
Environmental Modelling & Software
Integrated environmental modeling: A vision and roadmap for the future
Environmental Modelling & Software
Map algebra and model algebra for integrated model building
Environmental Modelling & Software
Environmental Modelling & Software
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The next generation of integrated assessment modelling is envisaged as being organised as a modular process, in which modules encapsulating knowledge from different scientific disciplines are independently developed at distributed institutions and coupled afterwards in accordance with the question raised by the decision maker. Such a modular approach needs to respect several stages of the model development process, approaching modularisation and integration on a conceptual, numerical, and technical level. The paper discusses the challenges at each level and presents partial solutions developed by the PIAM (Potsdam Integrated Assessment Modules) project at the Potsdam Institute for Climate Impact Research (PIK). The challenges at each level differ greatly in character and in the work done addressing them. At the conceptual level, the notion of conceptual consistency of modular integrated models is discussed. At the numerical level, it is shown how an adequate modularisation of a problem from climate-economy leads to a modular configuration into which independently developed climate and economic modules can be plugged. At the technical level, a software tool is presented which provides a simple consistent interface for data transfer between modules running on distributed and heterogeneous computer platforms.