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COMPUTER GRAPHICS & GEOMETRY

Issue Year: 2000
Date: Autumn
Volume: 2
Number: 3
Pages: 1-24

Article Name: INTERACTIVE INTELLIGENT SPACE PHYSICS DATA MINING AND VISUALIZATION VIA INTERNET
Authors: M. Zhizhin, A. Burtsev, A. Gvishiani, E. Kihn, H. Kroel
Address: M. Zhizhin, A. Burtsev, A. Gvishiani University of Kaiserslautern, Germany; Institute of Physics of the Earth RAS, Russia E. Kihn, H. Kroel University of Kaiserslautern, Germany
Abstract:

The Space Physics Interactive Data Resource (SPIDR) is a distributed network of synchronous databases and application servers designed to allow a modeling and prediction customer to intelligently access and manage historical space physics data for integration with virtual environment models and real-time space weather forecasts. Eliminating the network bottlenecks associated with transcontinental links, the distributed system architecture is a key factor for low latency in multimedia data visualization and fast data delivery. The SPIDR is a set of 100% Java platform independent middle-ware servers accessed via World Wide Web. Each server resides at a parallel computer cluster and provides fuzzy logic based searching on a relational database of space weather parameters. The system is designed to allow the user to specify desired spatial, temporal, and parameter conditions in fuzzy linguistic and/or numeric terms and to receive a ranked list of events best matching the desired conditions in the historical archive. Once discovered, the client can request dynamical temporal and spatial visualization using a set of communicating Java applets, browse the archive of Sun and Earth satellite images, and request delivery of the data formatted for inclusion in model runs. Each SPIDR server has a database management interface, which allows data updates performed either by a local user or by another SPIDR server from the Net. The servers communicate to each other for scheduled mirroring of the data and software.

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