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Alternative visual representations for multidimensional visualization

Grant number: 11/19916-0
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): January 01, 2012
Effective date (End): December 31, 2012
Field of knowledge:Physical Sciences and Mathematics - Computer Science - Computing Methodologies and Techniques
Principal Investigator:Rosane Minghim
Grantee:Fábio Pavan Rolli
Host Institution: Instituto de Ciências Matemáticas e de Computação (ICMC). Universidade de São Paulo (USP). São Carlos , SP, Brazil


Multidimensional projections are frequently employed to allow the layout, in lower dimensions (2D or 3D), of multidimensional objects, to support analysis based on a chosen criterion, such as similarity. Typically data sets ar abstract of unstructured and the result of a projection is a set of points mapped on a plane, where proximity suggests similarity. An alternative form of visual representation of such data is through similarity trees, where a hierarchy is imposed over the data points, based o the same criterion as the projection. This project proposes to develop new forms of representation of the results of these techniques, usually based on small icons. The work continues efforts in multidimensional visualization inside the VICG group, ICMC, with large applicability in various areas of knowledge. Additionally, it starts a new venue in the group, that of new designs for multidimensional layouts to improve their power of representation and visual appeal.(AU)

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