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Deriving Semantic Sensor Metadata from Raw Measurements

Deriving Semantic Sensor Metadata from Raw Measurements

This video was recorded at 11th International Semantic Web Conference (ISWC), Boston 2012. Sensor network deployments have become a primary source of big data about the real world that surrounds us, measuring a wide range of physical properties in real time. With such large amounts of heterogeneous data, a key challenge is to describe and annotate sensor data with high-level metadata, using and extending models, for instance with ontologies. However, to automate this task there is a need for enriching the sensor metadata using the actual observed measurements and extracting useful meta-information from them. This paper proposes a novel approach of characterization and extraction of semantic metadata through the analysis of sensor data raw observations. This approach consists in using... Show More
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