1445 search results - page 26 / 289 » XPath query containment |
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Webcams, microphones, pressure gauges and other sensors provide exciting new opportunities for querying and monitoring the physical world. In this paper we focus on querying wide ...
WWW
2001
ACM
14 years 10 months ago
2001
ACM
This poster describes the DQL language : a new XML data manipulation language. DQL is an extension of OQL for the manipulation of tree-like and forest-like data. It integrates XPa...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Querying XML data is a well-explored topic with powerful databasestyle query languages such as XPath and XQuery set to become W3C standards. An equally compelling paradigm for que...
PODS
2000
ACM
14 years 2 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...