Conference Paper

Shelter from the Storm: Building a Safe Archive in a Hostile World.

Conference: On the Move to Meaningful Internet Systems 2005: OTM 2005 Workshops, OTM Confederated International Workshops and Posters, AWeSOMe, CAMS, GADA, MIOS+INTEROP, ORM, PhDS, SeBGIS, SWWS, and WOSE 2005, Agia Napa, Cyprus, October 31 - November 4, 2005, Proceedings
Source: DBLP
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    ABSTRACT: Grid computing has emerged as a promising area for solving complex problems and sharing resources among a large number of institutions. On the other hand, GADA workshops have arisen as a forum for researchers in grid computing, and more specifically in data management and analysis on grids. This paper analyses the works presented in GADA workshops, with the aim of evaluating the current research and foreseeing the evolution of this discipline in the near future.
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    ABSTRACT: The SURA Coastal Ocean Observing and Prediction (SCOOP) program is using geographical information system (GIS) technologies to visualize and integrate distributed data sources from across the United States and Canada. Hydrodynamic models are run at different sites on a developing multi-institutional computational Grid. Some of these predictive simulations of storm surge and wind waves are triggered by tropical and subtropical cyclones in the Atlantic and the Gulf of Mexico. Model predictions and observational data need to be merged and visualized in a geospatial context for a variety of analyses and applications. A data archive at LSU aggregates the model outputs from multiple sources, and a data-driven workflow triggers remotely performed conversion of a subset of model predictions to georeferenced data sets, which are then delivered to a Web Map Service located at Texas A&M University. Other nodes in the distributed system aggregate the observational data. This paper describes the use of GIS within the SCOOP program for the 2005 hurricane season, along with details of the data-driven distributed dataflow and workflow, which results in geospatial products. We also focus on future plans related to the complimentary use of GIS and Grid technologies in the SCOOP program, through which we hope to provide a wider range of tools that can enhance the tools and capabilities of earth science research and hazard planning. Copyright © 2008 John Wiley & Sons, Ltd.
    Concurrency and Computation Practice and Experience 09/2008; 20(14):1637 - 1651. · 0.85 Impact Factor
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    ABSTRACT: The SURA Coastal Ocean Observing and Prediction (SCOOP) program is implementing an integrated system of regional observations and computational models to pro-vide improved coastal forecasts. As part of this system, the getdata client was developed to search and transfer data files from the SCOOP archive in a flexible, optimized and extensible manner. The Grid Application Toolkit forms the basis for this tool, providing an abstract interface to various transfer protocols including FTP, HTTP, SCP and GridFTP. The user requirements for getdata posed a num-ber of constraints on the client design and integration with Grid middlewares. This paper discusses the SCOOP use cases and the design and implementation of getdata, along with the challenges of engineering usable tools for hetero-geneous environments and diverse communities.

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May 23, 2014