70 search results - page 5 / 14 » Schema-based Query Optimization for XQuery Queries |
IDEAS
2010
IEEE
13 years 6 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
CORR
2004
Springer
13 years 7 months ago
2004
Springer
We introduce an extension of the XQuery language, FluX, that supports event-based query processing and the conscious handling of main memory buffers. Purely event-based queries of...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
Abstract— Developing a full-fledged cost-based XQuery optimizer is a fairly complex task. Nowadays, there is little knowledge concerning suitable cost formulae and optimization ...
DASFAA
2008
IEEE
14 years 2 months ago
2008
IEEE
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...