23 citations · 43 across the 6 of their papers we have counts for
3 papers · 1 filter
Answering Queries with Negation over Existential Rules
Stefan Ellmauthaler, Markus Krötzsch, Stephan Mennicke
Ontology-based query answering with existential rules is well understood and implemented for positive queries, in particular conjunctive queries. The situation changes drastically…
Stream Packing for Asynchronous Multi-Context Systems using ASP
Stefan Ellmauthaler, Jörg Pührer
When a processing unit relies on data from external streams, we may face the problem that the stream data needs to be rearranged in a way that allows the unit to perform its task(s…
Reactive Multi-Context Systems: Heterogeneous Reasoning in Dynamic Environments
Gerhard Brewka, Stefan Ellmauthaler, Ricardo Gonçalves +3
Managed multi-context systems (mMCSs) allow for the integration of heterogeneous knowledge sources in a modular and very general way. They were, however, mainly designed for static…