Data Management and Mining in Astrophysical Databases

Details Data Management and Mining in Astrophysical Databases Data Management and Mining in Astrophysical Databases

2003-07-12

arxiv.org/abs/cs/0307032v2

S. Ciprini, A. De Angelis, P. Lubrano and O. Mansutti (eds.): Proc. of ``Science with the New Generation of High Energy Gamma-

Computer Science

Databases

10 pages, Latex

Scientific paper

We analyse the issues involved in the management and mining of astrophysical data. The traditional approach to data management in the astrophysical field is not able to keep up with the increasing size of the data gathered by modern detectors. An essential role in the astrophysical research will be assumed by automatic tools for information extraction from large datasets, i.e. data mining techniques, such as clustering and classification algorithms. This asks for an approach to data management based on data warehousing, emphasizing the efficiency and simplicity of data access; efficiency is obtained using multidimensional access methods and simplicity is achieved by properly handling metadata. Clustering and classification techniques, on large datasets, pose additional requirements: computational and memory scalability with respect to the data size, interpretability and objectivity of clustering or classification results. In this study we address some possible solutions.

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