no code implementations • 12 May 2020 • Diego Calvanese, Julien Corman, Davide Lanti, Simon Razniewski
Counting answers to a query is an operation supported by virtually all database management systems.
no code implementations • 6 Nov 2019 • Julien Corman, Guohui Xiao
More recently, OMQA has been extended to SPARQL queries, but to our knowledge, none of the efforts made in this direction (either in the literature, or the so-called SPARQL entailment regimes) is able to capture both certain answers for UCQs and the standard interpretation of SPARQL over a plain graph.