Query Containment in Description Logics Reconsidered

@inproceedings{Bienvenu2012QueryCI,
  title={Query Containment in Description Logics Reconsidered},
  author={Meghyn Bienvenu and Carsten Lutz and Frank Wolter},
  booktitle={KR},
  year={2012}
}
While query answering in the presence of description logic (DL) ontologies is a well-studied problem, questions of static analysis such as query containment and query optimization have received less attention. In this paper, we study a rather general version of query containment that, unlike the classical version, cannot be reduced to query answering. First, we allow a restriction to be placed on the vocabulary used in the instance data, which can result in shorter equivalent queries; and… CONTINUE READING
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The complexity of conjunctive query answering in expressive description logics

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