104 A Comparison with Two Sensor Data Storagesin Energy
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Sensor networks are condensed wired or wireless networks for gathering and publishing environmental data. They contain of a large amount of sensor nodes that are linked to each other. Sensor networks produce huge volume of data which needs advanced analytical processing and interpretation by machines. Processing and interpretation of huge volumes of heterogeneous sensor data effects on the length of life time of sensor networks. In this paper we evaluate two known methods, names Semantic Sensor Web (SSW) and Semantic Sensor Observation Service (SemSOS), that stores sensor data in semantically form; annotate sensor data with semantic metadata. In other words we compare two known systems with consumption rate of energy and we show that the more data transfers, less sensor network life time results and SSW consumes less energy than SemSOS.