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Konferencja
Italian Conference on Computational Logic (Convegno Italiano di Logica Computazionale, CILC 2016) (31; 20-22.07.2016; Università degli Studi di Milano-Bicocca, Italy)
Języki publikacji
Abstrakty
In this work we study a rational extension SROEL(⊓, x)R T of the low complexity description logic SROEL(⊓, x), which underlies the OWL EL ontology language. The extension involves a typicality operator T, whose semantics is based on Lehmann and Magidor’s ranked models and allows for the definition of defeasible inclusions. We consider both rational entailment and minimal entailment. We show that deciding instance checking under minimal entailment is in general ∏2P -hard, while, under rational entailment, instance checking can be computed in polynomial time. We develop a Datalog calculus for instance checking under rational entailment and exploit it, with stratified negation, for computing the rational closure of simple KBs in polynomial time.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
135--161
Opis fizyczny
Bibliogr. 50 poz.
Twórcy
autor
- DISIT, Università del Piemonte Orientale “A. Avogadro”, Viale Teresa Michel, 11-15121, Alessandria, Italy
autor
- DISIT, Università del Piemonte Orientale “A. Avogadro”, Viale Teresa Michel, 11-15121, Alessandria, Italy
Bibliografia
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Uwagi
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-cb978d2d-50f5-4e1a-9a84-0ccac1ec5d0e