Abstract
The exiting model representation cannot meet the requirements of multistage modeling,so model share,reuse and management can hardly achieve in multistage modeling process.Therefore,a hierarchical model management framework based on universal relation model presentation was presented.Firstly,the requirements of model representation in model management and the limitations of exiting model representation were analyzed,then a model representation based on universal relation was investigated to set the mapping relation between layers of conceptual model and mathematical model,and the integrative model representation and the hierarchical model management framework including conceptual model,mathematical model and physical model were set up.At last,the logic of modelbase in management framework was designed and the physical model generation based on universal relation was investigated.The model of different modeling process could be managed uniformly based on an integrative model representation.
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