Computer Science – Databases
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ep%26s...58..765p&link_type=abstract
Earth, Planets and Space, Volume 58, p. 765-774.
Computer Science
Databases
1
Scientific paper
Since the mid-1990s, many geomagnetic datasets began appearing on the World Wide Web. Often these data were not submitted to the World Data Centers as recommended since the International Geophysical Year (1957- 58). As a result, existing data become naturally distributed creating an urgent need for more sophisticated search engines capable of identifying and retrieving the data from Web for scientific analyses. We introduce a Virtual Global Magnetic Observatory concept for "pulling" geomagnetic data distributed worldwide. The VGMO moves information exchange from simple file transfers to a higher level of abstraction, forming the distributed databases through establishment of self-organizing data nodes. We present the first working VGMO prototype: an "on-demand" objects-building Internet application that is transparent in its internal data management to the external users/clients. The VGMO server continuously builds data-objects only from client requests by going through a pre-set list of Web-based data nodes (including WDCs). As the retrieved data are added to the server (or node) database, future requests of the same interval would not force a new Web search. Furthermore, new nodes can be made available to others through the VGMO network, building the worldwide geomagnetic data "fabric" in a platform-independent and location-neutral environment of newly "webbed" digital data. Application is on a server at http://mist.engin.umich.edu.
Clauer Robert C.
Papitashvili Natalia E.
Papitashvili Vladimir O.
Petrov V. G.
Saxena A. B.
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