Answering Queries using Views over Probabilistic XML: Complexity and
Tractability

Answering Queries using Views over Probabilistic XML: Complexity and Tractability

Veure altres versions (1)

We study the complexity of query answering using views in a probabilistic XML setting, identifying large classes of XPath queries -- with child and descendant navigation and predicates -- for which there are efficient (PTime) algorithms. We consider this problem under the two possible semantics for...

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Dades bibliogràfiques
Autors principals:	Cautis, B, Kharlamov, E
Format:	Journal article
Idioma:	English
Publicat:	2012

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