Mobility

How to Optimize the Quality of Sensor Data Streams

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Executive Summary

Present data stream management systems allow the automatic recording and processing of huge data volumes to guide any kind of process control or business decision. However, a crucial problem is posed by data quality deficiencies due to imprecise sensors, environmental influences, transfer failures, etc. If not handled carefully, they lead to misguided decisions and inappropriate actions. In this paper, the authors present the quality-driven optimization of stream processing to improve the resulting quality of data and service. First, they present the optimization objectives and discuss the parameterization of stream processing operators to define the underlying optimization problem.

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