@MISC{_rapportn, author = {}, title = {Rapport n o RR-2008-09A Necessary and Sufficient Condition for Pattern Containment}, year = {} }
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Abstract
Abstract. In this paper we introduce an approach that allows to handle the containment problem for the fragment XP(/,//, [],∗) of XPath. Using rewriting techniques we define a necessary and sufficient condition for pattern containment. This rewrite view is then adapted to query evaluation on XML documents, and remains valid even if the documents are given in a compressed form, as dags. 1