A. Marques da Silva

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In this study we have investigated the production of meaning for the notion of basis in Linear Algebra, supported by the Theoretical Model of Semantic Fields, proposed by R. Lins (2001). It was conducted in three parts: (1) a historical-critical study, based on secondary sources, in which the key question was 'in which semantic fields were operating the(More)
In the radiology diagnosis process, medical images are most often visualized slice by slice on 2D screens or printed. At the same time, the visualization based on 3D volumetric rendering of the data is considered useful and has increased its field of application. In this work we present a user study with medical specialists to assess the diagnostic(More)
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