151 search results - page 4 / 31 » SIGOPT: Using Schema to Optimize XML Query Processing |
EDBT
2010
ACM
14 years 1 months ago
2010
ACM
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
ADBIS
2005
Springer
14 years 16 days ago
2005
Springer
XQuery is widely used for querying XML documents. Within this paper, we examine optimization rules for XQuery queries that exploit type information of the input XML document given ...
ICDE
2003
IEEE
14 years 8 months ago
2003
IEEE
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
WISE
2005
Springer
14 years 17 days ago
2005
Springer
XML is currently being used as the message syntax for Web services. To enable small mobile devices to use Web services, this XML use must not be too resource-consuming. Due to seve...
ICEIS
2006
IEEE
14 years 1 months ago
2006
IEEE
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...