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Evaluation of Query Transformations without Data

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Jérôme David
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Jérôme Euzenat
Pierre Genevès
Nabil Layaïda


Query transformations are ubiquitous in semantic web query processing. For any situation in which transformations are not proved correct by construction, the quality of these transformations has to be evaluated. Usual evaluation measures are either overly syntactic and not very informative —the result being: correct or incorrect— or dependent from the evaluation sources. Moreover, both approaches do not necessarily yield the same result. We suggest that grounding the evaluation on query containment allows for a data-independent evaluation that is more informative than the usual syntactic evaluation. In addition, such evaluation modalities may take into account ontologies, alignments or different query languages as soon as they are relevant to query evaluation.
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hal-01891182 , version 1 (24-09-2020)



Jérôme David, Jérôme Euzenat, Pierre Genevès, Nabil Layaïda. Evaluation of Query Transformations without Data. WWW 2018 - Companion of The Web Conference, Apr 2018, Lyon, France. pp.1599-1602, ⟨10.1145/3184558.3191617⟩. ⟨hal-01891182⟩
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