104 search results - page 3 / 21 » Reformulation of XML Queries and Constraints |
SPIRE
2005
Springer
14 years 2 months ago
2005
Springer
Effective information retrieval in XML documents requires the user to have good knowledge of document structure and of some formal query language. XML query languages like XPath a...
DASFAA
2007
IEEE
14 years 3 months ago
2007
IEEE
To support secure exchanging and sharing of XML data over the Internet, a myriad of XML access control mechanisms have been proposed. In the setting of node-level fine-grained acc...
ER
2007
Springer
14 years 2 months ago
2007
Springer
XML Schema supports the specification of occurrence constraints by declaring values for its min/maxOccurs attributes. These constraints are structural in the sense that they rest...
INFSOF
2000
13 years 8 months ago
2000
Semantic query optimization is the process of utilizing information implied by integrity constraints to reformulate the query into one that generates the same set of answers in a ...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...