1445 search results - page 2 / 289 » XPath query containment |
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
PODS
2007
ACM
14 years 5 months ago
2007
ACM
Query containment has been studied extensively for fragments of
ICDE
2006
IEEE
14 years 6 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...
VLDB
2005
ACM
13 years 10 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...
JAPLL
2010
13 years 3 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...