Access, retrieval, and analysis of data from large heterogeneous databases: the ESIS approach

Details Access, retrieval, and analysis of data from large heterogeneous databases: the ESIS approach Access, retrieval, and analysis of data from large heterogeneous databases: the ESIS approach

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aipc..283..570c&link_type=abstract

The earth and space science information system (ESSIS). AIP Conference Proceedings, Volume 283, pp. 570-580 (1993).

Astronomy and Astrophysics

Astronomy

Astronomical Observations

Scientific paper

The European Space Information System (ESIS) was conceived to provide the European scientific community with a tool to simplify access to heterogeneous data archives and with data inspection facilities to support scientific work on the retrieved data. The infrastructure, to a large extent already existing, in which ESIS is being developed is briefly described to provide the background information required to place the system in the correct context. The main components of the system and the services that they are being designed to provide are then described; these are the Query Environment, in which the user will be able to search and retrieve data in a transparent way from more than one database (e.g., IUE, EXOSAT, HST, etc.), and the Correlation Environment, in which the user will have access to tools to inspect, manipulate, and compare data collected by two or more instruments. The basic design choices are then described, with more detail in the most critical aspects, i.e., the need to provide a data model for all data in a given discipline, the need to support different disciplines, the problem of the user query language, and the consequences of the limitations in data link bandwidth. Finally, a summary description of the status of the development and planned developments is given. The first release of the ESIS software is scheduled for end 1992.

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