Generic Model Management: Concepts and Algorithms(无全文)

作者:Sergey Melnik 刊名: 上传者:冯俊

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【摘要】Many challenging problems facing information systems engineering involve the manipulation of complex metadata artifacts; or models; such as database schemas; interface specifications; or object diagrams; and mappings between models. The applications that solve metadata manipulation problems are complex and hard to build. The goal of generic model management is to reduce the amount of programming needed to develop such applications by providing a database infrastructure in which a set of high-level algebraic operators; such as Match; Merge; and Compose; are applied to models and mappings as a whole rather than to their individual building blocks. This dissertation presents an initial study of the concepts and algorithms for generic model management. We describe the first prototype of a generic model management system; introduce the algebraic operators that are used to manipulate models and mappings; clarify the semantics of the operators; and develop novel algorithms for implementing them. In particular; we present an innovative algorithm based on fixpoint computation that is used for implementing the generic operator Match; which finds correspondences between two models. Using the prototype and the operators presented in the dissertation; we develop solutions for several practically relevant problems; such as change propagation and reintegration.

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