265 search results - page 1 / 53 » On the Intersection of XPath Expressions |
IDEAS
2005
IEEE
14 years 28 days ago
2005
IEEE
— XPath is a common language for selecting nodes in an XML document. XPath uses so called path expressions which describe a navigation path through semistructured data. In the la...
ICDE
2006
IEEE
14 years 8 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...
JAPLL
2010
13 years 5 months ago
2010
We provide complete axiomatizations for several fragments of XPath: sets of equivalences from which every other valid equivalence is derivable. Specifically, we axiomatize downwar...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...
LICS
2005
IEEE
14 years 28 days ago
2005
IEEE
There are two main paradigms for querying semi structured data: regular path queries and XPath. The aim of this paper is to provide a synthesis between these two. This synthesis i...