The QuakeSim Project: Web Services for Managing Geophysical Data and Applications |
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| Authors: | Marlon E Pierce Geoffrey C Fox Mehmet S Aktas Galip Aydin Harshawardhan Gadgil Zhigang Qi Ahmet Sayar |
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| Institution: | 1. Community Grids Laboratory, Indiana University, 501 North Morton Streeet, Bloomington, IN, 47404, U.S.A
2. Department of Computer Science, Indiana University, Lindley Hall, Room 215, 150 S. Woodlawn Ave, Bloomington, IN, 47405-7104, U.S.A
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| Abstract: | We describe our distributed systems research efforts to build the “cyberinfrastructure” components that constitute a geophysical Grid, or more accurately, a Grid of Grids. Service-oriented computing principles are used to build a distributed infrastructure of Web accessible components for accessing data and scientific applications. Our data services fall into two major categories: Archival, database-backed services based around Geographical Information System (GIS) standards from the Open Geospatial Consortium, and streaming services that can be used to filter and route real-time data sources such as Global Positioning System data streams. Execution support services include application execution management services and services for transferring remote files. These data and execution service families are bound together through metadata information and workflow services for service orchestration. Users may access the system through the QuakeSim scientific Web portal, which is built using a portlet component approach. |
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