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Most workflow based applications currently have to adapt to available tools. While this keeps the cost of development low, it can lead to performance and flexibility tradeoffs that the application developer and deployer must make. In this paper, we use the Montage astronomical image mosaicking application as prototypical DAG-based workflow application to layout the development and deployment decisions...
MapReduce has emerged as an important data-parallel programming model for data-intensive computing - for Clouds and Grids. However most if not all implementations of MapReduce are coupled to a specific infrastructure. SAGA is a high-level programming interface which provides the ability to create distributed applications in an infrastructure independent way. In this paper, we show how MapReduce has...
SAGA is a high-level programming interface which provides the ability to develop distributed applications in an infrastructure independent way. In an earlier paper, we discussed how SAGA was used to develop a version of MapReduce which provided the user with the ability to control the relative placement of compute and data, whilst utilizing different distributed infrastructure. In this paper, we use...
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