Answering Fuzzy Conjunctive Queries Over Finitely Valued Fuzzy Ontologies

@article{Borgwardt2015AnsweringFC,
  title={Answering Fuzzy Conjunctive Queries Over Finitely Valued Fuzzy Ontologies},
  author={Stefan Borgwardt and Theofilos P. Mailis and Rafael Pe{\~n}aloza and Anni-Yasmin Turhan},
  journal={Journal on Data Semantics},
  year={2015},
  volume={5},
  pages={55-75}
}
Fuzzy Description Logics (DLs) provide a means for representing vague knowledge about an application domain. In this paper, we study fuzzy extensions of conjunctive queries (CQs) over the DL $${\mathcal {SROIQ}}$$ SROIQ based on finite chains of degrees of truth. To answer such queries, we extend a well-known technique that reduces the fuzzy ontology to a classical one, and use classical DL reasoners as a black box. We improve the complexity of previous reduction techniques for finitely valued… CONTINUE READING
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