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A knowledge-based system approach for scientific data analysis and the notion of metadata

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2 Author(s)
Kapetanios, E. ; Technol. & Environ. Res. Cente, Inst. of Appl. Comput. Sci., Karlsruhe, Germany ; Kramer, R.

Over the last few years, dramatic increases and advances in mass storage for both secondary and tertiary storage made possible the handling of big amounts of data (for example, satellite data, complex scientific experiments, and so on). However, to the full use of these advances, metadata for data analysis and interpretation, as well as the complexity of managing and accessing large datasets through intelligent and efficient methods, are still considered to be the main challenges to the information-science community when dealing with large databases. Scientific data must be analyzed and interpreted by metadata, which has a descriptive role for the underlying data. Metadata can be, partly, a priori definable according to the domain of discourse under consideration (for example, atmospheric chemistry) and the conceptualization of the information system to be built. It may also be extracted by using learning methods from time-series measurement and observation data. In this paper, a knowledge-based management system (KBMS) is presented for the extraction and management of metadata in order to bridge the gap between data and information. The KBMS is a component of an intelligent information system based upon a federated architecture, also including a database management system for time-series-oriented data and a visualization system

Published in:

Mass Storage Systems, 1995. 'Storage - At the Forefront of Information Infrastructures', Proceedings of the Fourteenth IEEE Symposium on

Date of Conference:

11-14 Sep 1995