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PODS
2005
ACM
14 years 6 months ago
2005
ACM
All known algorithms for evaluating advanced XPath queries (e.g., ones with predicates or with closure axes) on XML streams employ buffers to temporarily store fragments of the do...
PODS
2005
ACM
14 years 6 months ago
2005
ACM
We study the satisfiability problem associated with XPath in the presence of DTDs. This is the problem of determining, given a query p in an XPath fragment and a DTD D, whether or...
PODS
2005
ACM
14 years 6 months ago
2005
ACM
MSO logic on unranked trees has been identified as a convenient theoretical framework for reasoning about expressiveness and implementations of practical XML query languages. As a...
PODS
2005
ACM
14 years 6 months ago
2005
ACM
In order to protect individuals' privacy, the technique of kanonymization has been proposed to de-associate sensitive attributes from the corresponding identifiers. In this p...
PODS
2005
ACM
14 years 6 months ago
2005
ACM
We consider a scenario where we want to query a large dataset that is stored in external memory and does not fit into main memory. The most constrained resources in such a situati...