Virtual knowledge graphs: An overview of systems and use cases

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M Rodriguez-Muro, M Rezk - Journal of Web Semantics, 2015 - Elsevier
Existing SPARQL-to-SQL translation techniques have limitations that reduce their
robustness, efficiency and dependability. These limitations include the generation of …

Ontology-based data access with a horn fragment of metric temporal logic

S Brandt, EG Kalaycı, R Kontchakov… - Proceedings of the …, 2017 - ojs.aaai.org
We advocate datalogMTL, a datalog extension of a Horn fragment of the metric temporal
logic MTL, as a language for ontology-based access to temporal log data. We show that …