Representing and Querying the valid time of triples for Linked Geospatial Data
K. Bereta
P. Smeros
M. Koubarakis
Date published: 
Published In: 
In the 10th Extended Semantic Web Conference (ESWC 2013). Montpellier, France. May 26-30
Conference Article
We introduce the temporal component of the stRDF data model and the stSPARQL query language, which have been recently proposed for the representation and querying of linked geospatial data that changes over time. With this temporal component in place, stSPARQL becomes a very expressive query language for linked geospatial data, going beyond the recent OGC standard GeoSPARQL, which has no support for valid time of triples.We present the implementation of the stSPARQL temporal component in the system Strabon, and study its performance experimentally. Strabon is shown to outperform all the systems it has been compared with.
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