687 search results - page 75 / 138 » Query Transformation for PSJ-Queries |
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
The XPath language incorporates powerful primitives for formulating queries containing nested subexpressions which are existentially or universally quantified. However, even the b...
XSYM
2007
Springer
14 years 2 months ago
2007
Springer
To globally optimize execution plans for XQuery expressions, a plan generator must generate and compare plan alternatives. In proven compiler architectures, the unit of plan genera...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Finding intensional encapsulations of database subsets is the inverse of query evaluation. Whereas query evaluation transforms an intensional expression (the query) to its extensi...
ICCV
2007
IEEE
14 years 10 months ago
2007
IEEE
In this paper we propose to transform an image descriptor so that nearest neighbor (NN) search for correspondences becomes the optimal matching strategy under the assumption that ...
ADC
2003
Springer
14 years 2 months ago
2003
Springer
Much work on XML data was around storage and querying and did not consider constraints of XML, especially keys. Since constraints have been proposed in many papers for XML, much r...