David Grosser

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Formal concept analysis (FCA) has proved helpful in the resolution of practical problems from fields such software engineering, knowledge engineering and data mining. Recently, a substantial push has been done toward the design of efficient procedures for lattice construction, with a variety of novel algorithms proposed in the literature. However, the FCA(More)
Predicting stability in object-oriented (OO) software, i.e., the ease with which a software item evolves while preserving its design, is a key feature for software maintenance. In fact, a well designed OO software must be able to evolve without violating the compatibility among versions, provided that no major requirement reshuffling occurs. Stability, like(More)
In many fields dependant upon complex observation, the structuring, depiction and treatment of knowledge can be of great complexity. For example in Systematics, the scientific discipline that investigates bio-diversity, the descriptions of specimens are often highly structured (composite objects, taxonomic attributes), noisy (erroneous or unknown data), and(More)
PURPOSE To report a series of endoluminally repaired mycotic thoracic aneurysms. CASE REPORTS Four patients with presumed mycotic aneurysms of the thoracic aorta were treated with endovascular grafts owing to overly high risk for open repair. All aneurysms were successfully excluded at the initial intervention. In one case, which required endograft(More)
Some of the fundamental and theoretical issues in Knowledge Discovery in Database (KDD) rely on knowledge representation and the use of prior and domain knowledge to extract useful information from data. In many data exploration algorithms, dissimilarity functions do not use domain knowledge for the cases comparison. The Iterative Knowledge Base System(More)