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A general theory for evolving application models
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DOI：10.1109/69.476503.png)
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Abstract
En 中文
In this article we provide a general theory for evolving information systems. This theory makes a distinction between the underlying information structure at the conceptual level, its evolution on the one hand, and the description and semantics of operations on the information structure and its population on the other hand. Main issues within this theory are object typing, type relatedness and identification of objects, In terms of these concepts, we propose some axioms on the well-formedness of evolution, In this general theory, the underlying data model is a parameter, making the theory applicable for a wide range of modelling techniques, including object-role modelling and object oriented techniques.
Keywords:
evolving information systems
temporal information systems
schema evolution
data modelling
type relatedness
predicator set model
ER model
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