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Sei nella pagina indice --> Eventi e News --> The Evolution Phenomenon in Computer Application and some Practical Implications

The Evolution Phenomenon in Computer Application and some Practical Implications
prof. Manny LEHMAN e prof. Juan F. RAMIL

20 giugno 2002 ore 10.00
R-COST - Palazzo ex Poste
Via Traiano, 1
82100 Benevento

per informazioni
prof. Gerardo Canfora - R-COST Research Centre on Software Tecnology
pbx 0824305804 - fax 0824305840
e-mail gerardo.canfora [at] unisannio.it

Abstract
The talk will present some of the earlier and more recent results of studies of software evolution in which the speakers have been involved. The talk will cover the initial IBM 360 observations and some of the concepts they triggered. These include recognition of the feedback nature of the process, the SPE program classification, recognition of intrinsic need for evolution of E-type programs and applications, the laws of software evolution, the principle of software uncertainty, process behavioural regularity and stages in evolution.

It is generally recognised that software engineering lacks the theoretical foundations of other engineering disciplines. It will be argued that the observations, models and phenomenological interpretations made over the years appear to lead gradually and naturally to what eventually could comprise a formal theory of software evolution. The achievement of such theory will require a collaborative investigation with direct involvement of experimentalists, formalists, and process specialists working closely together. If such a theory is achieved and it is reasonably validated, it will provide a theoretical foundation for issues such as process and policy design, becoming a tool to counteract ‘process scepticism’, for example. In the context of planning and management, the theory should also have implications for wider business processes.

At the very least it will become a source of testable hypotheses about the evolution phenomenon as it may apply in business and other organizational processes and about the evolution of complex artificial systems in general. In order to harvest practical lessons one does not have to wait until such a theory is ripe. In this regard, the talk also will present rules and tools for software evolution management that can be informally linked to the laws. It will also discuss some of the implications of these laws in the era of component based architectures and implementation. The bottom line message of the seminar will be that the evolution phenomenon is one worth further investigation.

Such investigation may be, in fact, make a contribution to society’s survival in the computer age, as computer applications become ever more integrated and society becomes ever more dependant on them.

About the speaker
Manny Lehman is an Emeritus Professor at the Department of Computing, Imperial College, London, with more than 30 years of interest in programming methodology, software evolution and process. Juan F. Ramil is a Lecturer in Computing at The Open University, Milton Keynes, UK.


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