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Information systems of the future will have to perform well within ever-changing organizational environments. Unfortunately, existing software development methodologies (object-oriented, structured or otherwise) have traditionally been inspired by programming concepts, not organizational ones,...
Information System Engineering has become under increasing pressure to come up with software solutions that endow systems with the agility that is required to evolve in a continually changing business and technological environment. In this paper, we suggest that Software Engineering has a...
In this paper, we present the A dora approach to object-oriented modeling of software (A dora stands for analysis and description of requirements and architecture). The main features of A dora that distinguish it from other approaches like UML are the use of abstract objects (instead of classes)...
This paper analyzes the relationships between derived types and taxonomic constraints. The objectives are to see which taxonomic constraints are entailed by derivation rules and to analyze how taxonomic constraints can be satisfied in presence of derived types. We classify derived entity types...
The Unified Modelling Language (UML) lacks precise and formal foundations and semantics for several modeling constructs, such as transition guards or method bodies. These semantic discrepancies and loopholes prevent executability, making early testing and validation out of reach of UML tools....
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