16 citations · 38 across the 13 of their papers we have counts for
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cs.DB2022★ 1 cited
A geospatial source selector for federated GeoSPARQL querying
Antonis Troumpoukis, Stasinos Konstantopoulos, Nefeli Prokopaki-Kostopoulou
Background: Geospatial linked data brings into the scope of the Semantic Web and its technologies, a wealth of datasets that combine semantically-rich descriptions of resources wit…
cs.DB2017★ 16 cited
An extension of SPARQL for expressing qualitative preferences
Antonis Troumpoukis, Stasinos Konstantopoulos, Angelos Charalambidis
In this paper we present SPREFQL, an extension of the SPARQL language that allows appending a PREFER clause that expresses "soft" preferences over the query results obtained by the…