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In data-intensive real-time embedded applications, it is desirable to process data service requests in a timely manner using fresh data, consuming less power. However, related work is relatively scarce. In this paper, we present an effective approach to decrease both the deadline miss ratio and power consumption by merging similar real-time transactions, while systematically adapting the data freshness...
It is challenging to process transactions in a timely fashion using fresh data, e.g., current stock prices, since database workloads may considerably vary due to dynamic data/resource contention. Further, transaction timeliness and data freshness requirements may compete for system resources. In this paper, we propose a novel feedback control model to support the desired data service delay by managing...
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