Abstract. The Unified Modeling Language (UML) favors the construction of models composed of several submodels, modeling the system comunder development at different levels of abs...
This paper describes the design and developmentof an expert system for tourist information center. The expert system was built to recommend a suitable travel schedule that satisfi...
Object-oriented analysis and design have been more concerned with system functionality, neglecting non-functional aspects; the result is code which is tangled and difficult to main...
:Building software models before implementing them has become widely accepted in the software industry. Object models, graphically represented by class diagrams, lay the foundation...
The evolution of software systems over many years often leads to unnecessarily complex and in exible designs which in turn lead to a huge amount of e ort for enhancements and main...