1.2k citations · 2.2k across the 40 of their papers we have counts for
44 papers
Dyadic Existential Rules
Georg Gottlob, Marco Manna, Cinzia Marte
Existential rules form an expressive Datalog-based language to specify ontological knowledge. The presence of existential quantification in rule-heads, however, makes the main reas…
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)…
Structure-Guided Query Evaluation: Towards Bridging the Gap from Theory to Practice
Georg Gottlob, Matthias Lanzinger, Davide Mario Longo +3
Join queries involving many relations pose a severe challenge to today's query optimisation techniques. To some extent, this is due to the fact that these techniques do not pay suf…
Incremental Updates of Generalized Hypertree Decompositions
Georg Gottlob, Matthias Lanzinger, Davide Mario Longo +1
Structural decomposition methods, such as generalized hypertree decompositions, have been successfully used for solving constraint satisfaction problems (CSPs). As decompositions c…
Non-Uniformly Terminating Chase: Size and Complexity
Marco Calautti, Georg Gottlob, Andreas Pieris
The chase procedure, originally introduced for checking implication of database constraints, and later on used for computing data exchange solutions, has recently become a central…
MV-Datalog+-: Effective Rule-based Reasoning with Uncertain Observations
Matthias Lanzinger, Stefano Sferrazza, Georg Gottlob
Modern applications combine information from a great variety of sources. Oftentimes, some of these sources, like Machine-Learning systems, are not strictly binary but associated wi…