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A Database and Evaluation Methodology for Optical Flow

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A Database and Evaluation Methodology for Optical Flow

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As discussed in Section 3.1, in the process of optimizing a query, the query optimizer recognizes that certain queries can be directed to only a subset of the nodes in the system. In the case of a single site query, the query is sent directly by the QM to the appropriate processor for execution. In the case of a multiple site query, the optim- izer establishes a connection to an idle scheduler process through a centralized dispatcher process. The dispatcher process, by controlling the number of active schedulers, implements a simple load control mechanism. Once it has established a connection with a scheduler process, the...

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