Abstract
The four-valued paraconsistent logic \(\mathcal{SROIQ}4\), originally presented by Ma and Hitzler, is extended to incorporate additional elements of \(\mathcal{SROIQ}\). It is shown that the modified logic is classically sound and that its embedding into classical \(\mathcal{SROIQ}\) is consequence preserving. Furthermore, inserting special axioms into a \(\mathcal{SROIQ}4\) knowledge base allows additional nontrivial conclusions to be drawn, without affecting paraconsistency. It is also shown that the interaction of nominals and cardinality restrictions prevents some \(\mathcal{SROIQ}4\) knowledge bases from having models. For such knowledge bases, the logic remains explosive.
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Maier, F. (2010). Extending Paraconsistent \(\mathcal{SROIQ}\) . In: Hitzler, P., Lukasiewicz, T. (eds) Web Reasoning and Rule Systems. RR 2010. Lecture Notes in Computer Science, vol 6333. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15918-3_10
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DOI: https://doi.org/10.1007/978-3-642-15918-3_10
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