In this paper, we introduce a system for handling very large datasets, which need to be stored across multiple computing sites. Data distribution introduces complex management issues, particularly as computing sites may make use of different storage systems with different internal organizations. The motivation for our work is the ATLAS Experiment for the Large Hadron Collider (LHC) at CERN, where the authors are involved in developing the data management middleware. This middleware, called DQ...Expand abstract
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Managing Very-Large Distributed Datasets.
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