no code implementations • 16 Dec 2019 • Shqiponja Ahmetaj, Magdalena Ortiz, Mantas Simkus
Our main result is to show that every query in this non-monotonic query language can be translated in polynomial time into Datalog with negation under the stable model semantics.
no code implementations • 16 Apr 2014 • Shqiponja Ahmetaj, Diego Calvanese, Magdalena Ortiz, Mantas Simkus
In this paper, we consider the setting of graph-structured data that evolves as a result of operations carried out by users or applications.