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SaGe: Preemptive Query Execution for High Data Availability on the Web

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Academic year: 2021

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Figure

Fig. 1: The SaGe query execution model
Fig. 2: A tree representation of a page returned by the SaGe server when exe- exe-cuting Q 1 on the WatDiv Dataset
Fig. 3: Preemptable physical query execution plan produced by the SaGe query optimizer for Q 1 , from Figure 2a
Fig. 4: SaGe Preemption overhead
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