Geosparql Plus : Syntax, Semantics And System For Integrated Querying Of Graph, Raster And Vector Data
SEMANTIC WEB - ISWC 2020, PT I(2020)
摘要
We introduce an approach to semantically represent and query raster data in a SemanticWeb graph. We extend the GeoSPARQL vocabulary and query language to support raster data as a new type of geospatial data. We define new filter functions and illustrate our approach using several use cases on real-world data sets. Finally, we describe a prototypical implementation and validate the feasibility of our approach.
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关键词
GeoSPARQL, Raster data, Geospatial semantics
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