- ABox Abduction in the Description Logic ALC
- Journal of Automated Reasoning
- Volume | Issue number
- 46 | 1
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
Interfacultary Research Institutes
Faculty of Law (FdR)
- Informatics Institute (IVI)
Institute for Logic, Language and Computation (ILLC)
Leibniz Center for Law (FdR)
Due to the growing popularity of Description Logics-based knowledge representation systems, predominantly in the context of Semantic Web applications, there is a rising demand for tools offering non-standard reasoning services. One particularly interesting form of reasoning, both from the user as well as the ontology engineering perspective, is abduction. In this paper we introduce two novel reasoning calculi for solving ABox abduction problems in the Description Logic ALC , i.e. problems of finding minimal sets of ABox axioms, which when added to the knowledge base enforce entailment of a requested set of assertions. The algorithms are based on regular connection tableaux and resolution with set-of-support and are proven to be sound and complete. We elaborate on a number of technical issues involved and discuss some practical aspects of reasoning with the methods.
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