4 found
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  1.  51
    Two Approaches to Ontology Aggregation Based on Axiom Weakening.Daniele Porello, Nicolaas Troquard, Oliver Kutz, Rafael Penaloza, Roberto Confalonieri & Pietro Galliani - 2018 - In Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, {IJCAI} 2018, July 13-19, 2018, Stockholm, Sweden. pp. 1942--1948.
    Axiom weakening is a novel technique that allows for fine-grained repair of inconsistent ontologies. In a multi-agent setting, integrating ontologies corresponding to multiple agents may lead to inconsistencies. Such inconsistencies can be resolved after the integrated ontology has been built, or their generation can be prevented during ontology generation. We implement and compare these two approaches. First, we study how to repair an inconsistent ontology resulting from a voting-based aggregation of views of heterogeneous agents. Second, we prevent the generation of (...)
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  2.  9
    Representing a Reference Foundational Ontology of Events in SROIQ.Alessander Botti Benevides, Jean-Rémi Bourguet, Giancarlo Guizzardi, Rafael Peñaloza & João Paulo A. Almeida - 2019 - Applied Ontology 14 (3):293-334.
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  3.  7
    On the Decidability Status of Fuzzy A ℒ C with General Concept Inclusions.Franz Baader, Stefan Borgwardt & Rafael Peñaloza - 2015 - Journal of Philosophical Logic 44 (2):117-146.
    The combination of Fuzzy Logics and Description Logics has been investigated for at least two decades because such fuzzy DLs can be used to formalize imprecise concepts. In particular, tableau algorithms for crisp Description Logics have been extended to reason also with their fuzzy counterparts. It has turned out, however, that in the presence of general concept inclusion axioms this extension is less straightforward than thought. In fact, a number of tableau algorithms claimed to deal correctly with fuzzy DLs with (...)
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  4.  2
    Similarity-Based Relaxed Instance Queries.Andreas Ecke, Rafael Peñaloza & Anni-Yasmin Turhan - 2015 - Journal of Applied Logic 13 (4):480-508.