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dbis
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Publications
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2009
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Recursion in XQuery
VLDB 2008 Reviews
showcase the benefits of the delta algorithm. Three strong points of the paper (please number them S1, S2, S3 in order of importance; if none, wite "none" S1. The paper proposes an extension to XQuery [...] and algebraic rules for checking distributivity. Three weak points of the paper (please number them W1, W2, W3 in order of importance; if none, write "none" W1. The proposed form of recursion is a direct [...] on sequences of nodes, it does not even make sense to discuss the distributivity of count($x) >= 1 expression. C5. In Section 5.1, rules FOR1 and FOR2 enforce that the recursion variable $x occurs in …