1445 search results - page 18 / 289 » XPath query containment |
DATESO
2010
13 years 7 months ago
2010
Abstract. Current XPath processors use direct approach to query evaluation which is quite inefficient in some cases and usually implemented serially. This may be a problem in case ...
CIKM
2009
Springer
14 years 4 months ago
2009
Springer
We propose XQGen, a stand-alone, algebra-based XPath generator to aid engineers in testing and improving the design of XML query engines. XQGen takes an XML schema sketch and user...
PODS
2004
ACM
14 years 9 months ago
2004
ACM
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
INEX
2004
Springer
14 years 3 months ago
2004
Springer
INEX has through the years provided two types of queries: Content-Only queries (CO) and Content-And-Structure queries (CAS). The CO language has not changed much, but the CAS lang...
XIMEP
2006
ACM
14 years 3 months ago
2006
ACM
We discuss query evaluation for XML-based server systems where the same query is evaluated on every incoming XML message. In a typical scenario, many of the incoming messages will...