Sfoglia per Soggetto "Datalog"

Items 1-2 di 2

  • Dyadic TGDs - A new paradigm for ontological query answering 

    Marte, Cinzia; Greco, Gianluigi; Manna, Marco; Guerriero, Francesca; Leone, Nicola (Università della Calabria, 2022-03-11)
    Ontology-BasedQueryAnswering(OBQA)consistsinqueryingdata– bases bytakingontologicalknowledgeintoaccount.Wefocusona logical frameworkbasedonexistentialrulesor tuple generatingdepen- dencies (TGDs), alsoknownasDatalog±, ...

  • Large-scale ontology-mediated query answering over OWL 2 RL ontologies 

    Fiorentino, Alessio; Greco, Gianluigi; Manna, Marco (Università della Calabria, 2022-03-11)
    Ontology-mediated query answering (OMQA) is an emerging paradigm at the basis of many semantic-centric applications. In this setting, a conjunctive query has to be evaluated against a logical theory (knowledge base) ...