Titlebook: Web Reasoning and Rule Systems; 6th International Co Markus Kr?tzsch,Umberto Straccia Conference proceedings 2012 Springer-Verlag Berlin He

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Shuttle

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An Update on Query Answering with Restricted Forms of Negationt conceptual layer of the data schema, and queries over the ontology are then used to access the data. In this paper we focus on extensions of conjunctive queries (CQs) and unions of conjunctive queries (UCQs) with restricted forms of negations such as inequality and safe negation. In particular, we

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Rinne-Test

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Meta Programming with Answer Sets for Smart Spacesand services using the best available resources. In this paper, the interoperability of heterogeneous objects participating in a smart space is enhanced by publishing their behavioral rules as RDF triples, i.e., in the same way as any other information in the space. This enables the use of answer-se

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Meta Programming with Answer Sets for Smart Spacesand services using the best available resources. In this paper, the interoperability of heterogeneous objects participating in a smart space is enhanced by publishing their behavioral rules as RDF triples, i.e., in the same way as any other information in the space. This enables the use of answer-se

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bourgeois

A Sound and Complete Backward Chaining Algorithm for Existential Rulesare represented in the framework of existential rules, also known as Datalog+/-. We focus on the backward chaining paradigm, which involves rewriting the query (assumed to be a conjunctive query, CQ) into a set of CQs (seen as a union of CQs). The proposed algorithm accepts any set of existential ru

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