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Reinaldo R. de Carvalho, Roy R. Gal, Haroldo F. de Campos Velho, Hugo V. Capelato, Francesco La Barbera, Eduardo C. Vasconcellos, Renata S.R. Ruiz, Joao L. Kohl-Moreira, Paulo A.A. Lopes and Marcele Soares-Santos
We present an overview of current and future Brazilian contributions to an emerging paradigm in astronomy, the Virtual Observatory (VO). Astronomy will soon accumulate an unprecedented amount of data, on the order of 100 PB, while adding 2-4 PB/year an astonishing five orders of magnitude greater than in 2000. The VO is a response to the astronomical community's demands for improved and homogenized access to these data, combined with the tools to manipulate and explore them. It is a complex enterprise with a decentralized, webcentric nature, implying that astronomers need to rethink the old ways of conducting their scientific programs. Today an international effort is coordinated by the International Virtual Observatory Alliance (IVOA). In Brazil, the National Institute for Science & Technology (INCT-Astrophysics) recently created by the Ministry of Science & Technology (MCT) is taking the lead in developing BRAVO (The BRAzilian Virtual Observatory). At the National Institute for Space Research (INPE), we are concentrating our efforts on three distinct aspects of VO development: database development and basic infrastructure, data grid and processing grid implementation, and data mining. This paper describes our approach to creating a roadmap for the VO in Brazil and some technical developments on which we have already embarked.
Virtual Observatories, Machine Learning Algorithms, Network Infrastructure, Data Grid, Data Processing, Data Analysis.
 BENACCHIO L & PASIAN F. 2007. Grid-enabled Astrophysics, Contributions to the Computational Grids for Italian Astrophysics: Status and Perspectives workshop, held at INAF headquarters, Rome, in November 2005. Polimetrica.