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Relational algebraic system entity structure for models management

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2 Author(s)
Park, H.C. ; Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea ; Kim, T.G.

Models management with a large of models has placed demands on a highly structured and rigorous framework. The paper proposes a new framework, called RASES, that is based on the system entity structure (SES) and relational algebra (RA) formalisms. These formalisms provide conceptual bases for the hierarchical management of models. Within the RASES framework, the hierarchical structures of models are represented in the form of entity structures that may be stored as relational tables in a database. Furthermore, several operations can be formulated in terms of relational algebra which can be coded in a standard query language such as the SQL. The RASES framework can be easily implemented on, and fully utilise the functionality of, a relational database management system (RDBMS). Huge amount of models and model structures, which is inevitable in the models management of real world systems, can be efficiently managed by virtue of the capability of RDBMS. The framework supports modellers to synthesise simulation models that meet their modelling objectives, and conduct appropriate experiments on the models under investigation

Published in:

Computers and Digital Techniques, IEE Proceedings -  (Volume:143 ,  Issue: 1 )