151 search results - page 23 / 31 » SIGOPT: Using Schema to Optimize XML Query Processing |
238
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VLDB
2002
ACM
16 years 5 months ago
2002
ACM
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
148
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SACMAT
2005
ACM
15 years 10 months ago
2005
ACM
We investigate a generalization of the notion of XML security view introduced by Stoica and Farkas [17] and later refined by Fan et al. [8]. The model consists of access control ...
261
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
We present the first complete translation of XPath into an algebra, paving the way for a comprehensive, state-of-theart XPath (and later on, XQuery) compiler based on algebraic op...
172
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DBPL
2005
Springer
15 years 10 months ago
2005
Springer
Pattern matching mechanisms based on regular expressions feature in a number of recent languages for processing XML. The flexibility of these mechanisms demands novel approaches ...
147
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BDA
2006
15 years 6 months ago
2006
XML data projection (or pruning) is one of the main optimization techniques recently adopted in the context of main-memory XML query-engines. The underlying idea is quite simple: ...