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cs.DB2023
SparqLog: A System for Efficient Evaluation of SPARQL 1.1 Queries via Datalog [Experiment, Analysis and Benchmark]
Renzo Angles, Georg Gottlob, Aleksandar Pavlovic +2
Over the past decade, Knowledge Graphs have received enormous interest both from industry and from academia. Research in this area has been driven, above all, by the Database (DB)…
cs.DB2016
The multiset semantics of SPARQL patterns
Renzo Angles, Claudio Gutierrez
The paper determines the algebraic and logic structure of the multiset semantics of the core patterns of SPARQL. We prove that the fragment formed by AND, UNION, OPTIONAL, FILTER,…