Abstract
In this paper, we study scheduling problem of updates for the streaming data warehouses. The streaming data warehouses are the combination of traditional data warehouses and data stream systems. In this, jobs are nothing but the processes which are responsible for loading new data in the tables. Its purpose is to decrease the data staleness. In addition, it handles well, the challenges faced by the streaming warehouses like, data consistency, view hierarchies, heterogeneity found in update jobs because of dissimilar arrival times as well as size of data, preempt updates etc. The staleness of data is the scheduling metric considered here. In this, jobs are nothing but the processes which are responsible for loading new data in the tables. Its purpose is to decrease the data staleness. In addition, it handles well, the challenges faced by the streaming warehouses like, data consistency, view hierarchies, heterogeneity found in update jobs because of dissimilar arrival times as well as size of data, preempt updates etc. The staleness of data is the scheduling metric considered here.
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