Answering Queries using Views over Probabilistic XML: Complexity and
Tractability

Answering Queries using Views over Probabilistic XML: Complexity and Tractability

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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...

書目詳細資料
Main Authors:	Cautis, B, Kharlamov, E
格式:	Journal article
語言:	English
出版:	2012

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