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Nicholas J. Car and Timo Homburg
In 2012, the Open Geospatial Consortium published GeoSPARQL defining ?an RDF/OWL ontology for [spatial] information?, ?SPARQL extension functions? for performing spatial operations on RDF data and ?RIF rules? defining entailments to be drawn from graph p...
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Milos Jovanovik, Timo Homburg and Mirko Spasic
GeoSPARQL is an important standard for the geospatial linked data community, given that it defines a vocabulary for representing geospatial data in RDF, defines an extension to SPARQL for processing geospatial data, and provides support for both qualitat...
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Cung Lian Sang, Bastian Steinhagen, Jonas Dominik Homburg, Michael Adams, Marc Hesse and Ulrich Rückert
In ultra-wideband (UWB)-based wireless ranging or distance measurement, differentiation between line-of-sight (LOS), non-line-of-sight (NLOS), and multi-path (MP) conditions is important for precise indoor localization. This is because the accuracy of th...
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