677 search results - page 95 / 136 » The XML Typechecking Problem |
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of rewriting XPath...
164
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
To address the needs of data intensive XML applications, a number of efficient tree pattern algorithms have been proposed. Still, most XQuery compilers do not support those algori...
158
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ICDE
2001
IEEE
15 years 11 months ago
2001
IEEE
We describe efficient algorithms for accurately estimating the number of matches of a small node-labeled tree, i.e., a twig, in a large node-labeled tree, using a summary data str...
WWW
2007
ACM
15 years 10 months ago
2007
ACM
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
WWW
2004
ACM
15 years 10 months ago
2004
ACM
Although the OWL Web Ontology Language adds considerable expressive power to the Semantic Web it does have expressive limitations, particularly with respect to what can be said ab...