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Summary: PROCEEDINGS OF THE IEEE 1
The Grid Application Toolkit:
Towards Generic and Easy Application
Programming Interfaces for the Grid
Gabrielle Allen, Kelly Davis, Tom Goodale, Andrei Hutanu, Hartmut Kaiser, Thilo Kielmann§,
Andr´e Merzky§, Rob van Nieuwpoort§, Alexander Reinefeld, Florian Schintke, Thorsten Sch¨utt, Ed Seidel,
Brygg Ullmer,
Albert Einstein Institute, Golm, Germany Louisiana State University, Baton Rouge, USA
Zuse Institute, Berlin, Germany §Vrije Universiteit, Amsterdam, The Netherlands
http://www.gridlab.org/
Abstract-- Core grid technologies are rapidly maturing, but
there remains a shortage of real grid applications. One important
reason is the lack of a simple and high-level application program-
ming toolkit, bridging the gap between existing grid middleware
and application-level needs. The Grid Application Toolkit (GAT),
as currently developed by the EC-funded project GridLab [1],
provides this missing functionality. As seen from the application,
the GAT provides a unified simple programming interface to
the grid infrastructure, tailored to the needs of grid application
programmers and users. A uniform programming interface will
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