Abstract
We propose an approach to semantically enrich metadata records of satellite imagery with external data. As a result we are able the identify relevant images using a larger set of matching criteria. Conventional methods for annotating data sets are usually based on metadata records (with attributes such as title, provider, access mode, and spatio-temporal characteristics), which offer a narrow view of the world. Enriching metadata with contextual information (e.g., the region depicted in the image has been recently affected by extreme weather) requires formalizing spatio-temporal relationships between metadata records and external data sources. Semantic technologies play a key role in such scenarios by providing an infrastructure based on RDF and ontologies.
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Notes
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SparkInData project is funded by “Investing for the Future” French program.
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https://donneespubliques.meteofrance.fr/ (07/2016).
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A video showing the implementation of our approach is available at: http://geo-space.info/demos/metadataBrowserDataMeteoFrance.mp4.
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Arenas, H., Aussenac-Gilles, N., Comparot, C., Trojahn, C. (2017). Semantic Integration of Geospatial Data from Earth Observations. In: Ciancarini, P., et al. Knowledge Engineering and Knowledge Management. EKAW 2016. Lecture Notes in Computer Science(), vol 10180. Springer, Cham. https://doi.org/10.1007/978-3-319-58694-6_8
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DOI: https://doi.org/10.1007/978-3-319-58694-6_8
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