Vittorio Marengo

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During its life a legacy system is subjected to many maintenance activities, which cause degradation of the quality of the system: when this degradation exceeds a critical threshold the legacy system needs to be reengineered. In order to preserve the asset represented by the legacy system, the familiarity with it gained by the system's maintainers and(More)
This paper describes a process of gradual reengineering of the procedural components of a legacy system. The process is integrated and completed by the data reengineering process analyzed in a previous paper by the same authors. The proposed method enables the legacy system to be gradually emptied into the reengineered system, without needing to either(More)
Numerical induction from data is one of the statistical data analysis tasks, which uses a tabular model, with almost exclusively numerical features, as data representation formalism. The output representations are different: from functions to probability distributions, from surface equations to tables of indexes. One approach to extend the classical data(More)
Executive Summary The aim of this paper is to transform the necessity for " integrated ICT training " in study courses within universities into a possible action plan which indicates both the pros and cons of the use of IT in the strategies, services and products to be used from a cost point of view. This will enable an evaluation of the Return On(More)
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