16 search results - page 1 / 4 » Algebraic Optimization of Nested XPath Expressions |
ICDE
2006
IEEE
14 years 5 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...
ICDE
2005
IEEE
14 years 5 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...
ICDE
2005
IEEE
13 years 10 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. ...
WISE
2002
Springer
13 years 9 months ago
2002
Springer
We propose a new approach for the efficient evaluation of XPath expressions. This is important, since XPath is not only used as a simple, stand-alone query language, but is also ...
BTW
2007
Springer
13 years 10 months ago
2007
Springer
: Over the recent years, very little effort has been made to give XPath a proper algebraic treatment. The only laudable exception is the Natix Algebra (NAL) which defines the tran...