Home » Research » Research outputs » Towards defeasible SROIQ

Towards defeasible SROIQ

2017

  • Authors:
    Arina Britz , Ivan Varzinczak

    Publication date:
    2017

    Institution:
    Stellenbosch University

    Output type:
    Workshop paper

    Abstract:

    We present a decidable extension of the Description Logic SROIQ that supports defeasible reasoning in the KLM tradition, and extends it through the introduction of defeasible roles. The semantics of the resulting DL dSROIQ extends the classical semantics with a parameterised preference order on binary relations in a domain of interpretation. This allows for the use of defeasible roles in complex concepts, as well as in defeasible concept and role subsumption, and in defeasible role assertions. Reasoning over dSROIQ ontologies is made possible by a translation of entailment to concept satisfiability relative to an RBox only. A tableau algorithm then decides on consistency of dSROIQ-concepts in the preferential semantics.

    Document file: