177 citations · 621 across the 42 of their papers we have counts for
Showing 2017 · cs.LOShow all
2 papers · 2 filters
cs.LO2017
Conservative Extensions in Guarded and Two-Variable Fragments
Jean Christoph Jung, Carsten Lutz, Mauricio Martel +2
We investigate the decidability and computational complexity of (deductive) conservative extensions in fragments of first-order logic (FO), with a focus on the two-variable fragmen…
cs.LO2017★ 23 cited
Rewritability in Monadic Disjunctive Datalog, MMSNP, and Expressive Description Logics
Cristina Feier, Antti Kuusisto, Carsten Lutz
We study rewritability of monadic disjunctive Datalog programs, (the complements of) MMSNP sentences, and ontology-mediated queries (OMQs) based on expressive description logics of…