Abstract
Earlier work has proposed a notion of referring expressions and types in first order knowledge bases as a way of more effectively answering conjunctive queries in ontology based data access (OBDA). We consider how PTIME description logics can be combined with referring expressions to provide a more effective virtual front-end to nested relational data sources via OBDA. In particular, we consider replacing the standard notion of an assertion box, or ABox, with a more general notion of a concept box, or CBox, and show how this can serve as a front-end to such data sources.
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Notes
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This constitutes a minimal condition for capturing when one violates an inclusion dependency of the form \({``\,}C_1 \sqsubseteq C_2:\mathop {\mathsf {Pf}}\nolimits _1,\ldots ,\mathop {\mathsf {Pf}}\nolimits _k\rightarrow \mathop {\mathsf {Pf}}\nolimits _0{''\,}.\)
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Here, we translate “phone” fields of documents as roles that are reified, in the sense outline above, in order to enable different people to share phones.
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Toman, D., Weddell, G. (2019). Identity Resolution in Ontology Based Data Access to Structured Data Sources. In: Nayak, A., Sharma, A. (eds) PRICAI 2019: Trends in Artificial Intelligence. PRICAI 2019. Lecture Notes in Computer Science(), vol 11670. Springer, Cham. https://doi.org/10.1007/978-3-030-29908-8_38
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