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Comparing the Use of the IDEF Methodology to UML - Essay Example

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The paper "Comparing the Use of the IDEF Methodology to UML" describes that IDEF1x is a good technique for the foundation of database design, but does not abide by the standards of good graphical design (its symbols do not smoothly dovetail with the concepts they are required to model)…
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Comparing the Use of the IDEF Methodology to UML
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Download file to see previous pages This paper will seek to compare the use of IDEF to UML by focusing on their applications, nature, and techniques employed in their development. This comparison will be done on the basis of credible and reliable literature, written and published by authorities on modeling languages and techniques.
The approach/rationale for UML is to act as the dominant, publicly accepted, and uniform objected-oriented visual modeling language, and as a foundation object description language for the offshoot unified enterprise modeling language (UEML) that has been put forward by IFAC/IFIP (Bernus, Mertins, & Schmidt 1998, pg. 17).
IDEF methodology addresses documentation, design, integration, analysis, understanding, planning, and improvement (Fowler & Scott 2000, pg. 46). Based on the Waterfall model of the system development life cycle (SDLC), these functions fit into four stages of the SDLC: preliminary analysis, system analysis and requirements definition, systems design, integration and testing, and maintenance. On the other hand, UML methodology is limited to the systems design phase. During the systems analysis phase, object-oriented analysis (OOA) is performed; its output is a conceptual model that is comprised of one (sometimes more) UML class diagram, a user-interface mock-up, a group of use cases, and a couple of interaction diagrams. This conceptual model is subsequently used as an input in objected-oriented design during the systems design phase (Lankhorst 2005, pg. 63).
This method was created so as to represent processes or activities (consisting of partially ordered groups of activities) that are usually executed in a systematic and uniform manner. IDEF0 defines a function as a group of activities that takes specific inputs and, using some mechanism, and based on certain controls, converts the inputs into outputs (Noran 2008, pg. 41). These ICOMs (inputs, controls, outputs and mechanisms) can be employed in the modeling of relationships between a wide range of activities. IDEF0 modeling generally begins by defining a context diagram. ...Download file to see next pages Read More
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